AI visibility check

Does AI name Quackr?

temporary phone numbers for SMS verification. Checked October 10, 2026.

We wrote 3 questions a real buyer would type when shopping for temporary phone numbers for sms verification, then put them to live AI models and recorded exactly what came back. Nothing below is edited, and none of these questions mention Quackr by name. Whether the company shows up is the whole point.

This is one check, kept exactly as it was shared. The permanent record for Quackr, every check, every model, updated as new ones run, lives at essentras.com/ai-check/b/quackr.

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The result

Named in 3 of 3 questions

Claude, Perplexity

Named instead: Burner, Hushed, Google Voice, TextNow, Textverified, 5SIM, SMSPool, Twilio

A free check asks one model per question and the others on request, so this covers 7 of the 7 models we measure. The grid below shows which.

Where Quackr showed up

One row per question, one column per model. A number is the position Quackr appeared at among the brands in that answer, so #1 means it was named first. Average position: 4.3.

Question	ChatGPT	Meta AI	Claude	Gemini	Perplexity	DeepSeek	Grok
Q1 Which service should I use to get a temporary phone number?	–	–	#1	–	–	–	–
Q2 What are the best virtual phone number services for receiving SMS?	–	–	#9	–	–	–	–
Q3 Which provider offers the most reliable temporary phone numbers for verification?	–	–	–	–	#3	–	–

#named, at that position–answered, did not name itnot asked

Who the models named

Mentions across every answer in this check.

Burner12
Hushed12
Google Voice12
TextNow10
Textverified10
5SIM8
SMSPool6
Twilio6

Question 1 · somebody asks AI

“Which service should I use to get a temporary phone number?”

40,500 searches a month for “temporary phone number”

ChatGPTdid not name Quackr

Short answer: use an app-based second-number service. The right pick depends on what you need it for.

If you want a disposable number for a few days/weeks (dating, marketplaces, short projects)

Burner: Easiest “create it, use it, delete it” flow; unlimited talk/text on subscriptions; prepaid or subscription options. Good for truly temporary use. (burnerapp.com)
Hushed: Similar to Burner, with monthly “Unlimited” plans (US/Canada) and options for 1 or 3 lines; easy to swap or drop numbers. Often a bit cheaper month-to-month. (support.hushed.com)

If you want privacy features and multiple personas, not just a single temp line

MySudo: Build multiple “Sudos” with their own numbers and inboxes; adds private email and in‑app encrypted messaging. Better for ongoing privacy rather than throwaway codes. (mysudo.com)

If you want a free secondary number and don’t mind VoIP limitations

TextNow: Free US/Canada number with app-based calling/texting; can upgrade for cellular data if needed. Numbers can be reclaimed if inactive. Not ideal for verification with banks, etc. (help.textnow.com)

If you need a stable long-term second number (not really “temporary”)

Google Voice (personal): Free US number for calling/texting/voicemail; better as a permanent secondary line than a burner. Many sites block GV for 2FA. (support.google.com)
OpenPhone/Quo (business): Business-grade second numbers with team features; overkill for short-term personal use. (quo.com)

Heads-up and tips

Many services block VoIP numbers (including Burner/Hushed/GV/TextNow) for account verification or 2FA. Avoid using temp numbers for security-critical accounts. (reddit.com)
Emergency calling and short-code delivery can be unreliable on app numbers. Check the provider’s limitations before relying on it. (burnerapp.com)

Quick picks by scenario

Need a throwaway for a week: Burner or Hushed. (support.burnerapp.com)
Want multiple identities and more privacy tools: MySudo. (mysudo.com)
Want free and don’t care about verification blocks: TextNow. (help.textnow.com)
Business line with calling/texting for a few months: OpenPhone/Quo. (quo.com)

If you tell me:

how long you need the number,
whether you need voice, SMS, or MMS,
which country you need the number in,
and whether you’ll use it for logins/2FA,

I can recommend the single best option and plan.

Sources the model used

Grokdid not name Quackr

For most people, Burner or Hushed is the better choice. Both give you a private second number you can use for calls and texts, then drop when you’re done.

Quick pick

Need	Service	Why
Short-term number you can delete when finished (selling something, dating, a one-off project)	Burner	Built around disposable numbers you can burn after use
Flexible short prepaid periods, or a UK number as well as US/Canada	Hushed	Prepaid options (including short passes) and broader number choices
Free ongoing second line in the US	Google Voice	Free calls, texts, and voicemail, but not truly temporary
Free with ads, casual use	TextNow	Works for basic calling/texting; weaker for verification and less private

What to avoid

Skip free public “receive SMS online” sites. Those inboxes are shared, so anyone can read the messages, the numbers are widely blocked, and someone else can use a password-reset code to take over an account you created with that number.

Practical limits

Banks, Google, WhatsApp, and many other services often reject VoIP or known virtual numbers. Success is not guaranteed.
Don’t tie important or financial accounts to a temporary number. Numbers get recycled, and a later user can receive recovery texts.
These apps protect your real number from the other party. They are not anonymous: the provider keeps account and payment records.
Prices and plans change. Check the app before you pay.

If you say what you need the number for (one verification code, marketplace listing, ongoing second line, a specific country), a narrower recommendation is easier.

Sources the model used

Perplexitydid not name Quackr

If you want a temporary phone number for SMS verification, the best fit depends on whether you need a one-time code, a rental for longer access, or a general second number for calls and texts.

For one-time OTP/SMS verification, services built for temporary activations are the most direct fit: 1001SMS offers temporary phone numbers for a single SMS or OTP code², PVAPins offers temporary numbers with inbound SMS in 200+ countries and a “No-Code, No-Pay” model³, and 5SIM has guides for getting temporary numbers for websites or apps⁶.
For more reliable verification across many platforms, Textverified focuses on real non-VoIP US numbers for SMS and voice verifications across 1,900+ services⁷.
For short-term or long-term rentals, SMSFAST offers activation numbers and longer rentals¹⁹, while PVAPins also offers rentals from 72 hours to 30 days³.
For a temporary number that also works like a second phone line, MoreMins and Hushed are better suited because they support calls and texts, not just OTP reception¹¹³.

If your only goal is receiving a verification code quickly, I’d start with 1001SMS, PVAPins, or Textverified depending on country and platform needs²³⁷. If you want, I can narrow it down by country, service (WhatsApp, Google, Telegram, etc.), or whether you need free vs paid.

Sources the model used

DeepSeekdid not name Quackr

For one-time OTP/SMS verification, I’d start with VerifyNumber.io. It’s specifically built for verification, uses real carrier eSIM numbers instead of VoIP, supports 90+ services and 40+ countries, and claims 98–100% success on strict platforms like Google, Apple, Amazon, and Coinbase verifynumber.io.

NumberOTP is a good alternative if you want broader coverage or a free start. It advertises 190+ countries, 1,500+ supported platforms, non-VoIP numbers, and $0.10 in free credits on signup numberotp.com.

Burner is a different category: it’s for a persistent second phone number for calls, texts, and pictures, not primarily one-off OTP verification burnerapp.com. Use it if you want an ongoing alternate number rather than a disposable verification number.

Recommendation:

Strict OTP verification: VerifyNumber.io
Wider/cheaper OTP coverage: NumberOTP
Long-term second number: Burner

One caveat: these are vendor claims, so test on a low-stakes account first. Also, avoid using temporary numbers for banking, primary email, or accounts you can’t afford to lose—some platforms prohibit them, and you may lose access to account recovery.

Sources the model used

Geminidid not name Quackr

The best service depends on what you need the number for (e.g., verifying an online account, selling something on Craigslist, or making temporary calls).

Here is a breakdown of the best options based on use case:

1. For Account Verification & SMS Codes (OTP)

*Many platforms (Google, WhatsApp, Uber, Tinder, OpenAI) block virtual/VoIP numbers. If you need a temporary number specifically to bypass an SMS verification wall, you need a real SIM (non-VoIP) service.*

SMSPool: One of the most popular and affordable pay-per-verification services. You select the service (e.g., Discord, Telegram) and pay a few cents to receive the code. If no code arrives, you aren't charged.
TextVerified: Specifically designed for US verifications. Uses real US carrier lines that pass strict 2FA checks.
5SIM: Offers numbers from hundreds of countries with low pay-per-SMS rates.

2. For Privacy, Selling Online, or Dating (Calls & Texts)

If you need a functional second number on your smartphone for a few days, weeks, or months to talk and text without giving out your real number:

Burner: The standard for disposable numbers (iOS/Android). Allows you to create numbers, use them for calls/texts, and "burn" (delete) them whenever you want to generate a new one.
Hushed: Offers prepaid short-term numbers (7-day, 30-day, etc.) or pay-as-you-go packages. Supports numbers across the US, UK, and Canada.
MySudo: Excellent for comprehensive privacy. It lets you create complete digital identities (number, email, virtual card) grouped by profile (e.g., "Shopping," "Dating").

3. For Free / Long-Term Everyday Use

Google Voice (US only): Free, gives you a permanent VoIP number tied to your Google account that forwards to your phone. You can change the number later for a small fee ($10), but it is a VoIP number and may be blocked by some SMS verification systems.
TextNow: Free ad-supported calling and texting via an app. Numbers will expire if left inactive for too long.

4. For Quick, Throwaway, Non-Sensitive Web Verifications (Free)

Websites like Receive-SMS.cc or Temp-Number: These offer public virtual numbers where incoming SMS appears on a live public dashboard.
⚠️ Warning: Never use these for banking, primary emails, or accounts with sensitive personal data. Anyone on the internet can see the incoming messages and use them to hijack the account.

Quick Recommendation:

To bypass an SMS verification wall: Use SMSPool or TextVerified.
For Craigslist / Marketplace / Dating: Use Burner or Hushed.
For a free long-term secondary number: Use Google Voice.

Claudenamed Quackr

Best Temporary Phone Number Services

The right choice depends on what you need it for:

For quick, one-time SMS verification (free)

Quackr or Temp Number — if you need a number for one verification code and nothing else, use a free receive-only service like Quackr or Temp Number. Don't use your real number, but don't pay for an app either. Quackr specifically offers 1,000+ free temp numbers from 24 countries to receive SMS online , and you can use any number to verify accounts on Tinder, WhatsApp, ChatGPT, Telegram, Gmail and more, without giving out your real phone number.

7sim.net is another solid free option — free options aren't dead if you know their limits; for casual, low-stakes sign-ups like social media, news apps, or one-time downloads, 7sim.net remains surprisingly effective, refreshing their number pool daily .

⚠️ Note: free receive-only numbers are often VoIP-based, so some apps (banking, rideshare, major social platforms) may reject them for verification.

For a real, functional number you'll use for weeks (dating, selling, short projects)

Burner is the top pick — Burner numbers are mobile-classified, so they work with most platform verification like Cash App, PayPal, Facebook, and Amazon — a real differentiator from free VoIP alternatives that get blocked. It's best for marketplace selling, dating, short-term projects, or anyone who wants a real temporary number with full functionality. It also allows you to delete numbers instantly when no longer needed, giving you complete control over your privacy.

Hushed is a strong alternative, especially if you use it rarely — it offers a pay-as-you-go option that works well for truly occasional use; if you need a number once every few months, paying per minute/text rather than a monthly subscription can make more sense. It's also great internationally since Hushed offers temporary phone numbers in a wide range of countries and prioritizes security by encrypting calls and messages.

For a free "permanent-ish" second number (not deletable, not for privacy)

Google Voice — if you just need a free second number for basic calling and texting and don't care about deleting it later, Google Voice works — think of it as a permanent second number you happen to use temporarily. Best for people who want free and don't need deletion, privacy, or verification. Pricing: Free.

For free texting/calling (but number may get reassigned)

TextNow — gives you a free number with ads, unlimited texting and calling, no subscription required, but the trade-off is ads, VoIP-based calling (verification issues), and number recycling — if you don't use the number regularly, TextNow may reassign it.

Number recycling is the big issue for temporary use — ironically, the less you use it, the more likely you are to lose it before you're ready.

Quick recommendation

Just need one SMS code? → Quackr or 7sim (free)
Need a real number for weeks/months with app compatibility? → Burner (or Hushed if you'll use it rarely)
Want a free, ongoing second line and don't mind it being semi-permanent? → Google Voice

Sources the model used

Meta AIdid not name Quackr

I'll compare the top temporary number services to find the best fit for you.

I found several options — now I'll dig into the details to see how they stack up.

I've got the details — I'll pull pricing from one more source to give you solid recommendations.

It depends on what you need it for — free 2nd line, true disposable burner, or one-time OTP verification work very differently:

Temporary numbers are virtual numbers generated with VoIP technology, often accessible via websites or apps, commonly used for online verification and receiving OTPs without revealing your personal number.

1. Best free option for calls + texts: TextNow

Gives you a free U.S. or Canadian number for unlimited texts and calls over Wi-Fi without a SIM card.
Also described as giving you a real phone number for calls and texts over WiFi, with no hidden costs.
Downside: ad-supported, with a $3.99/month subscription to disable ads, and only offers U.S. or Canadian numbers.

Use this for: dating, Marketplace / Craigslist, freelancing, spam avoidance.

2. Best free long-term 2nd number: Google Voice

A free, long-term U.S. phone number for making and receiving calls, sending texts, and voicemail from any device.
Integrates with Gmail and Google Calendar, with voicemail transcription, call forwarding and spam filtering.
Limitation: only available to U.S. residents and requires a Google account.

Use this if you want to keep the number for months/years.

3. Best true disposable / burner apps: Hushed and Burner

Hushed – best overall: provides numbers for calling, texting, voicemail, and verification purposes, with fresh virtual numbers from over 80 countries.
Numbers don’t expire and can be used long-term.

Burner – most private: lets you create short-term burner numbers or lines that “burn” out and disappear after use.
You can set limits on time and calls/texts, after which the number is no longer usable.
Paid: $4.99/month for 1 number or $9.99 for unlimited numbers.

Paid apps like Burner or Hushed are positioned as secure short-term alternatives to free services.

Use these when you want a number you can delete, e.g. sign-ups, trials, work separation.

4. For OTP / SMS verification that actually arrives: DON'T use free public sites

Free public numbers are risky because:

Messages can be publicly visible and your account is at risk.
Many services block temporary numbers, and recycled numbers can leak earlier messages.
They are unreliable for sensitive accounts or two-factor authentication.

Example: Temp SMS users report delayed SMS reception, inconsistent service and failed verifications.

For one-time verifications, use pay-per-use private numbers:

VerifyPlease: $0.2 Per Number for temporary US, CA, GB numbers
PVANow: real phone numbers from $0.3 per verification in 100+ countries
TextVerified: SMS Verifications starting at $0.25 for a temporary number
Receive-SMS.com: dedicated numbers from $9/month or $30/year in US, CA, and GB, with 12+ years of service

Quick pick:

Want free and live in the US? Google Voice.
Want free calls/texts now? TextNow.
Want disposable privacy with calls? Hushed or Burner.
Need to receive a code from WhatsApp, Google, etc.? Pay $0.20-$0.30 for a private OTP number — free public numbers usually fail or get blocked.

Sources the model used

Question 2 · somebody asks AI

“What are the best virtual phone number services for receiving SMS?”

5,400 searches a month for “virtual phone number service”

ChatGPTdid not name Quackr

Here are solid, legit options for receiving SMS, grouped by use case. If you can share your use case (personal line, business line, API integration, short‑term/temporary, etc.), I can narrow this down further.

Personal/second-number apps (simple setup)

Hushed (US/CA/UK): Easy second number with SMS/MMS; monthly or prepaid plans from about $6.99–$7.99. Good for classifieds, dating, or separating work/personal texts. Not ideal for bank/2FA across all services. (hushed.com)
Burner (US): Quick disposable or long‑term numbers with unlimited texts/calls on subscriptions; straightforward apps. As with most VoIP numbers, some sites may not accept them for verification. (burnerapp.com)
Google Voice (US): Free number that can receive person‑to‑person SMS, but Google limits non‑interactive or bulk messaging and reliability for short codes/OTP can vary; not a great fit for business texting or some verifications. (support.google.com)

Business phone systems and APIs (best for reliability/compliance, scalable)

Twilio: Buy local/toll‑free/short‑code numbers, receive SMS via apps or API. Clear US pricing pages updated in 2026; number rental plus per‑message fees. Strong ecosystem and deliverability when you follow 10DLC rules. (twilio.com)
Telnyx: Competitive number pricing; add SMS to numbers and receive via webhooks/API. Transparent info on 10DLC carrier pass‑through fees; good for teams that want control and compliance. (telnyx.com)
Plivo: Low monthly number costs and pay‑as‑you‑go messaging; straightforward pricing pages and docs. Also supports 10DLC/WhatsApp if your needs expand. (plivo.com)
Bandwidth (carrier/CpaaS): Great if you need direct carrier relationships, 10DLC registration guidance, and solid inbound SMS at scale. Expect to register brands/campaigns for A2P traffic. (bandwidth.com)

Important notes before you choose

“Will this work for OTP/2FA?” Many sites block VoIP/virtual numbers (including some from Google Voice/Burner/Hushed) for verification. If OTP reliability is critical, use a number type the service accepts (often a mobile carrier line) or work with a compliant CPaaS and proper 10DLC registration. (support.google.com)
US business texting rules changed: Since 2023, US carriers require A2P 10DLC registration for application‑driven messaging. Even if you just “receive SMS,” registering your brand/campaign improves deliverability and keeps you from being filtered when you also send replies or notifications. Expect pass‑through carrier fees. (bandwidth.com)
Pricing model: With CPaaS providers you typically pay a monthly number rental plus per‑message fees; inbound may be free or metered depending on carrier and route. Check the current rate cards before committing. (help.twilio.com)

Quick picks by scenario

Personal second number that can receive everyday texts: Hushed or Burner. Simple and inexpensive. (hushed.com)
Small business that needs reliable inbound SMS and room to grow: Telnyx or Plivo (numbers + API/webhooks; later add compliant outbound if needed). (telnyx.com)
Developer/ops teams needing robust APIs, cross‑channel options, and scale: Twilio, Telnyx, or Plivo with proper 10DLC setup. (twilio.com)

If you tell me:

your country(s),
whether you just need to read messages in an app vs. receive via API/webhook,
whether you need to accept short codes/OTP,
estimated monthly volume,

I’ll give you a 2–3 provider shortlist, exact pricing snapshots as of today (October 10, 2026), and setup steps.

Sources the model used

DeepSeekdid not name Quackr

There’s no single “best” virtual SMS service — it depends on whether you need a cheap one-time OTP, a long-term rental, or non-VoIP numbers that pass WhatsApp/Telegram/Google checks. Based on the search results, the three strongest options are VirtualSim, VirtualSMS, and VirtSMS.

Service	Coverage	Pricing	Best for
virtualsim.io	180+ countries; 2,389+ services	Telegram from $0.12, WhatsApp from $0.02, Google/Instagram/Twitter/Discord from $0.01	Cheap one-off activations and broad service catalog
virtualsms.io	145+ countries; 2,500+ platforms	$0.05/code for verifications; rentals from $0.25/day	Real-SIM non-VoIP numbers, pay-as-you-go, API/MCP use
virtsms.com	190+ countries; 6,800+ services	Activations and rentals; crypto supported	Widest country/service coverage and very fast codes

1. VirtualSim — best for cheap one-time SMS

VirtualSim offers temporary numbers for Telegram, WhatsApp, Google, Instagram, Discord, TikTok, ChatGPT, and thousands of other services across 180+ countries virtualsim.io. Its advertised “from” prices are low — Telegram from $0.12, WhatsApp from $0.02, and Google/Instagram from $0.01 virtualsim.io.

Actual prices vary by country. For example, its current table lists:

USA: Telegram $0.66, WhatsApp $1.66, Google $0.42, Instagram $0.13
UK: Telegram $0.59, WhatsApp $0.71, Google $0.09, Instagram $0.06
Germany: Telegram $1.66, WhatsApp $2.49, Google $0.25, Instagram $0.14 virtualsim.io

It also supports number rent for up to 180 days for repeat codes or long-term accounts, and has an sms-activate-compatible API for developers virtualsim.io. If a code doesn’t work, you can cancel the activation and get an automatic refund to your balance virtualsim.io.

Choose VirtualSim if: you want the cheapest one-time OTPs and don’t need guaranteed real-SIM/non-VoIP routing.

2. VirtualSMS — best for non-VoIP real SIMs and developers

VirtualSMS uses real carrier-issued mobile SIMs, not VoIP numbers from Twilio or Google Voice virtualsms.io. That matters because WhatsApp, Telegram, Google, Instagram, and similar platforms often reject cloud/VoIP numbers virtualsms.io. Its numbers cover 145+ countries and 2,500+ platforms virtualsms.io.

Pricing is simple:

Verifications: $0.05 per code
Rentals: from $0.25/day for a dedicated number, with 1-, 3-, 7-, or 30-day rentals virtualsms.io

Codes usually arrive in 30–60 seconds, and if no SMS arrives, the activation can be cancelled and refunded automatically virtualsms.io. It also offers one API, one MCP server, matching-country proxies, and a prepaid balance — useful for businesses, developers, and AI agents virtualsms.io. Payment is pay-as-you-go via crypto or SBP, with no subscription virtualsms.io.

Choose VirtualSMS if: you need non-VoIP numbers, API access, or a developer-friendly pay-as-you-go model.

3. VirtSMS — best for maximum coverage and speed

VirtSMS provides non-VoIP numbers for WhatsApp, Telegram, Google, and 6,800+ services across 190+ countries virtsms.com. It claims high success rates and zero blocks because its numbers are non-VoIP virtsms.com.

It supports two modes:

Activations: one-time SMS verification, auto-release after use, refund on failure
Rentals: persistent numbers with multi-message support, renewable for 1, 7, or 30+ days virtsms.com

VirtSMS says most verification codes arrive within 10–30 seconds, and it accepts crypto including BTC, USDT, and ETH virtsms.com.

Choose VirtSMS if: you need the widest service/country coverage or the fastest possible code delivery.

How to pick the best one for you

Need WhatsApp/Telegram/Google to accept the number? Prefer non-VoIP services like VirtualSMS or VirtSMS virtualsms.io, virtsms.com.
Need just one cheap code? VirtualSim’s “from” prices are hard to beat virtualsim.io.
Need a number for weeks? VirtualSMS rentals start at $0.25/day, while VirtualSim rents up to 180 days; VirtSMS offers 1–30+ day rentals virtualsms.io, virtualsim.io, virtsms.com.
Need API/automation? VirtualSMS is the most explicit about API/MCP support virtualsms.io; VirtualSim also offers an sms-activate-compatible interface virtualsim.io.

Bottom line: For cheap one-time OTPs, start with VirtualSim. For real-SIM/non-VoIP reliability and developer tooling, use VirtualSMS. For the largest catalog and fastest codes, try VirtSMS.

Sources the model used

Geminidid not name Quackr

The best virtual phone number service depends heavily on why you need to receive SMS. Services generally fall into four categories:

1.OTP & 2FA Verification (Non-VoIP / Real Carrier Numbers)
2.Personal Privacy & Long-term Secondary Numbers
3.Business & Team Messaging
4.Developer APIs & Automation

1. For Account Verification & 2FA (Non-VoIP Numbers)

*Many platforms (Google, WhatsApp, PayPal, banks, Tinder) block standard VoIP numbers. These services provide temporary or rental real mobile SIM numbers specifically for passing verification.*

SMSPool
Best For: Cheap, reliable pay-per-SMS verification.
Highlights: High success rates, automatic refunds if an SMS is not received, and support for US, UK, and international numbers. Supports payments via cards and crypto.
TextVerified
Best For: US-based non-VoIP numbers for stubborn services.
Highlights: One of the most reliable platforms for services that aggressively block virtual numbers (like banking apps, Craigslist, OpenAI). Offers one-time verifications or short-term rentals.
5SIM
Best For: Broad international coverage on a tight budget.
Highlights: Numbers from over 100+ countries with options to filter by carrier and specific service.

2. For Personal Privacy & Secondary Numbers (VoIP / Mobile Apps)

Best if you want a private number for online dating, buying/selling on marketplaces, or keeping your personal SIM private.

Google Voice
Best For: US users wanting a 100% free permanent secondary number.
Highlights: Free calls and SMS within the US/Canada. Integrates seamlessly across desktop and mobile.
Caveat: Being VoIP, it is frequently rejected by banks and some social networks for 2FA.
Hushed
Best For: Disposable or flexible privacy numbers.
Highlights: Available in 300+ area codes across the US, Canada, and the UK. Offers prepaid plans, pay-as-you-go, and lifetime deals. Easy to burn (delete) and replace numbers.
Burner
Best For: Clean mobile UX and auto-reply features.
Highlights: Good for short-term projects, Craigslist sales, and dating. Has built-in spam blocking and “burn” features to discard a number instantly.

3. For Business & Team SMS

Best if you need to receive SMS from clients, share an inbox with team members, or manage professional customer communication.

OpenPhone
Best For: Startups, small businesses, and shared team inboxes.
Highlights: Modern, slick UI. Allows multiple team members to manage conversations from the same number, set auto-replies, and integrate with Slack, HubSpot, and Zapier.
RingCentral / Nextiva
Best For: Larger organizations needing enterprise phone systems.
Highlights: Comprehensive unified communications (voice, video, SMS), high compliance, and robust hardware/software support.

4. For Developers & Automation (APIs)

Best if you want to build automated SMS workflows, receive inbound SMS webhooks, or manage bulk programmatic messaging.

Twilio
Best For: Industry-standard developer flexibility and global reach.
Highlights: Massive global coverage, webhooks for inbound SMS, programmable workflows, and extensive documentation.
Telnyx
Best For: Cheaper alternative to Twilio with direct carrier routing.
Highlights: Often 30–50% cheaper than Twilio with lower latency and great API support for receiving and routing inbound SMS.

5. Free / Public Inboxes (Quick Testing Only)

*Websites like Receive-SMS.com, Receive-SMS-Free.cc, or AnonymSMS.*

Pros: Completely free, no registration required.
Cons: Inboxes are completely public (anyone can read the messages sent to the number), and most major platforms have already blacklisted their numbers. Never use these for sensitive personal accounts.

Summary Recommendation:

If you need to bypass an SMS verification/OTP: Go with TextVerified or SMSPool.
If you want a free, permanent secondary US number: Go with Google Voice.
If you want a private burner number on your phone: Go with Hushed.
If you need SMS for work or client communication: Go with OpenPhone.
If you are a developer building an app: Go with Twilio or Telnyx.

Claudenamed Quackr

Best Virtual Phone Number Services for Receiving SMS

There are two main categories depending on your use case: long-term/personal numbers and one-time verification numbers. Here's a breakdown of the top options in each:

🆓 Best Free / Long-Term Personal Number

Google Voice remains the top free pick for US users — it's the strongest free option for US users, with a permanent personal number tied to your Google account . It's most likely the simplest to use of all virtual phone number providers, and home, mobile, and work phones can be added in minutes, after which calls and SMS messages can be received on any phone chosen by the user.Downside: Success rates for third-party verifications can be inconsistent since <cite index="10-5">Google Voice itself requires a real phone number to set up, making it impractical for initial verification .

TextNow is a solid free alternative, especially for international users — it's the best free alternative for users outside the US, with carrier-grade delivery and a long-lived number that works for most major services . However, TextNow recycles inactive numbers, and Google's verification system may reject them as a result , though a paid subscription locks your number to your account and meaningfully improves reliability .

💼 Best for Business/Professional Use

RingCentral is highly rated for combining SMS with full business communications — it allows you to receive SMS codes reliably and keeps your personal number hidden, and is intuitive and efficient for both beginners and professionals . It includes 100+ premium features, unlimited calling, faxing, SMS, and conferencing .

Sinch is considered best overall for enterprise-level needs — it's the best choice for teams that need coordinated inbound voice routing and two-way SMS automation across countries .

EZ Texting is a strong pick for bulk SMS and business verification, offering access to multiple virtual numbers from different area codes, which is essential for segmenting SMS use cases .

🔒 Best for Privacy / Disposable Numbers

Hushed is frequently recommended for privacy-focused users, offering US, Canadian, UK and Puerto Rican numbers with calling, texting and auto-reply tools . It's particularly good for travelers, remote workers, and anyone who needs a private line that feels like a real second number .

Burner works well for short-term privacy needs — it's quick to set up and easy to use, ideal for dating apps or short-term tasks, and supports call forwarding and voicemail .

⚡ Best for One-Time SMS/OTP Verification (Cheap & Fast)

If you just need to receive a single verification code (e.g., for WhatsApp, Telegram, Google), dedicated verification services tend to perform better than general VoIP apps:

VerifySMS — rated highly in independent testing, with

instant SMS verification across 150+ countries from $0.20, highest verification success rate in testing (98%+), and fastest code delivery (average 5 seconds) .

Quackr —

allows you to receive SMS verification codes instantly without sharing your real number for services like WhatsApp, Gmail, or Telegram, supports multiple countries including the US, UK, and Germany, and requires no registration .

SMSPool —

a web-based service that provides virtual numbers specifically for SMS verification , with good API value for developers, though the lack of a mobile app is a limitation .

SMS-Man — good for longer rentals, supporting

up to 90 days of number rental with

Sources the model used

Grokdid not name Quackr

The best service depends on whether you need a lasting number or a short-lived inbox for codes. Reliability also depends on whether the number is a normal mobile line or VoIP, because many apps block VoIP.

Best by use case

Need	Strong options	Why
Free ongoing US texts	Google Voice	Real second number, free US/Canada texting, voicemail. Requires an existing US number to sign up. Often rejected for bank and app verification.
Free casual texting	TextNow (or TextFree)	Ad-supported US/Canada number with calls and texts. Inactive numbers can be recycled. Weak for verification codes.
Paid personal second line	Hushed, Burner	Private numbers you control, with calling as well as SMS. Hushed has US, Canada, and UK numbers; plans start around $7/month, plus short prepaid options.
Small-business line	Quo (formerly OpenPhone), Grasshopper	Shared inboxes, call routing, and business texting. Quo is about $15/user/month (US/Canada). Grasshopper starts around $14/month.
Developer / app SMS	Twilio, Telnyx	Programmable numbers in many countries. You pay per number plus per message, and US business texting usually needs A2P registration.
One-time or short rental for SMS codes	TextVerified	US non-VoIP numbers (real carrier SIMs). Verifications from about $0.25; you are not charged if no code arrives. Rentals from a few days to a year are also available.
Cheap international one-time codes	SMS-Activate, 5SIM	Broad country coverage and low per-code prices. Quality is mixed because inventory includes VoIP and real SIMs.

What actually matters

VoIP vs non-VoIP. Google Voice, TextNow, Hushed, Burner, and most business VoIP lines route over the internet. Banks, WhatsApp, and some other apps often refuse those numbers. Services such as TextVerified advertise non-VoIP US numbers tied to physical SIMs, which pass more of those checks.

Private vs public. Free “receive SMS online” sites show every message in a public inbox. Anyone can read your codes. They are also widely blacklisted. Use them only for throwaway tests, never for accounts, payments, or 2FA you care about.

Keep the number if the account matters. A one-shot rental disappears. If a service later sends a login or recovery code to that number, you are locked out. For email, banking, or anything long-lived, use a number you will still control.

Google Voice limits. Consumer Google Voice texting is meant for personal, one-to-one US/Canada/Puerto Rico conversations. Bulk or business messaging can get the account blocked, and it cannot send SMS outside those regions.

Practical picks

Everyday second number in the US: Google Voice if you qualify; otherwise Hushed or Burner.
Work line your team shares: Quo or Grasshopper.
A code you need once, and VoIP keeps failing: TextVerified (US) or SMS-Activate / 5SIM (other countries). Prefer providers that refund automatically if the SMS never arrives.
Anything financial or permanent: a real carrier number or eSIM you own, not a virtual inbox.

Prices and success rates change often, and many platforms’ terms forbid temporary numbers for sign-up. Check current pricing and test the specific service before you rely on a number.

Sources the model used

Perplexitydid not name Quackr

The best virtual phone number services for receiving SMS depend on whether you want one-time verification, longer rentals, or a business number. For SMS verification, the strongest options in the results are VirtualSMS, VirtSMS, and VirtualSim; for business use with SMS features, Twilio, OpenPhone, and Grasshopper are the more established choices.VirtualSMS VirtSMS VirtualSim Twilio sonetel.com grasshopper.com

For SMS verification and temporary numbers, the most relevant services are:

VirtualSMS — offers real-SIM temporary numbers for WhatsApp, Telegram, Google, and 2,500+ platforms across 145+ countries, with pay-as-you-go pricing and auto-refunds if a code does not arrive.VirtualSMS
VirtSMS — supports 6,800+ services across 190+ countries, with instant allocation for one-time activations and rental options for longer use.VirtSMS
VirtualSim — provides temporary numbers for 2,400+ services across 200+ countries, with low-entry prices for common services like Telegram, WhatsApp, Google, and Instagram.VirtualSim
SMSFAST — is presented as a temporary-number service with a reported 96.4% SMS delivery rate, but the result is a press-style mention rather than a detailed comparison review.theglobeandmail.com

For business or developer use, these stand out:

Twilio — best suited for developers and businesses, with high reliability and programmable phone-number infrastructure.bestforandroid.com twilio.com
OpenPhone — a business-focused option with two-way SMS and MMS in the US/Canada, shared inboxes, and integrations.sonetel.com
Grasshopper — a small-business virtual phone system that includes local, vanity, and toll-free numbers.grasshopper.com

If your goal is simple SMS receipt for account verification, I’d prioritize VirtualSMS or VirtSMS first, then compare coverage, delivery speed, refund policy, and whether the service uses real SIM numbers or non-VoIP numbers.VirtualSMS VirtSMS multilogin.com

If you want, I can also turn this into a top 5 ranked list by best for reliability, best for cheapest price, and best for country coverage.

Sources the model used

Meta AIdid not name Quackr

I'll research the top virtual SMS services to compare features and pricing.

That search gave limited coverage, so I'll run broader searches for business and temporary options.

I've gathered initial leads. Now I'll open detailed pages to verify pricing and features.

The best service depends on what you need the number to do - a permanent second number, a disposable OTP code, or a programmable business number.

Quick Picks

Use-Case	Best Pick	Why
Free permanent US number	Google Voice	Free, permanent number tied to Google account
Free for non-US users	TextNow	Best free alternative outside US, long-lived number
Short-lived / disposable international	Hushed	Week-long, month-long numbers in dozens of countries, pay-as-you-go
Short-lived US / Canada	Burner	Similar model at $5 monthly for single line
Developers / businesses / automation	Twilio, Telnyx, Plivo	Programmable numbers with API + compliance handling
One-time OTP for WhatsApp, Telegram, Google, TikTok	SMS-Activate, 5SIM, SMS-MAN, Grizzly SMS	Temporary numbers for verification without personal number

1. For Personal, Long-Term Use

Google Voice - strongest free option for US users

Google Voice remains the strongest free option for US users, with a permanent personal number tied to your Google account.

Gives US Google accounts a free permanent phone number that handles SMS, voicemail, and forwarding
Delivery rate is effectively perfect on major services because number ranges are treated as carrier numbers, not VoIP throwaways
Constraint: new Voice numbers require a US-billing Google account and a US-routable forwarding number at first setup
Once provisioned, the number works from anywhere. There is no free tier outside the US.
Most major US banks accept Voice numbers, but credit unions and some neobanks still flag VoIP
WhatsApp tightened checks in 2024 and now requires the number to receive a phone call as well as SMS. Voice handles this cleanly

TextNow - best free for non-US

Most reliable free option for non-US users, with numbers from US and Canada that pass major verification flows
App shows ads on free tier and number is reclaimed if you stop opening app for thirty days, but TextNow Premium at $9.99 monthly removes both limits.
TextNow Wireless adds an actual SIM with cellular service in the US for $20 monthly
Also provides a free virtual number when you sign up, which works for SMS verification and keeps primary number private

TextFree (Pinger) is another free US alt to TextNow with ads, rated medium reliability.

2. For Disposable / Short-Term Numbers

Hushed and Burner

Hushed sells week-long, month-long, or longer numbers in dozens of countries on pay-as-you-go basis. Minimum credit pack is $4.99
Burner has similar model in US and Canada at $5 monthly for single line
Hushed offers fresh numbers from over 80 countries, with plans from $1.99 prepaid and $4.99/month unlimited
Treat as second-tier when you want a number you can throw away cleanly. Major banking apps and some government portals refuse Hushed and Burner ranges

Non-US users land on TextNow for a reliable free number or Hushed for short-lived international numbers.

One-time OTP rentals: SMS-Activate, SMS-MAN, 5SIM, Grizzly SMS

These are different from Hushed/Burner - you rent a number for 10-20 minutes just to receive one code:

An SMS activation service provides temporary virtual phone numbers for receiving verification messages and OTP codes
Platforms such as 5SIM, SMS-MAN, and SMS-Activate offer broad international coverage
Reviewed as activation from $0.01 with global coverage
SmsPva provides temporary phone numbers for receiving SMS verification codes without personal number, with real SIM-based and virtual numbers from more than 60 countries, suitable for WhatsApp, Telegram, Google, TikTok, Facebook
Grizzly SMS helps you buy virtual numbers for WhatsApp in over 100 countries with instant activation

Important caveat: popular virtual number apps hand you a VoIP number, and WhatsApp refuses VoIP at registration. What works is a number backed by a real mobile carrier, rented for a few minutes in a browser. Use real-SIM OTP services for WhatsApp, not generic VoIP apps.

3. For Business / Developers - Programmable SMS Reception

Twilio and Plivo are the right answer if you are building software that needs programmable phone numbers, not just receiving codes by hand.

Pay-as-you-go pricing starts at $1.15 monthly per US number plus per-message costs.

2026 comparison:

API	Best For	US SMS Price
Telnyx	High throughput, low cost, carrier-direct	~$0.005/SMS
Plivo	Budget-conscious startups, global coverage	$0.00550/SMS
Vonage	International enterprise	$0.0079/SMS
Twilio	Ecosystem breadth, marketplace integrations	$0.0079/SMS

Telnyx and Plivo are 30-40% cheaper than Twilio for US SMS while matching reliability
Telnyx inbound also ~$0.005/SMS, Plivo inbound $0.00350/SMS, Twilio inbound $0.0075/SMS, Vonage inbound Free
Free trial: Twilio $15 credit, Telnyx $10 credit, Plivo $0.10 credit with no credit card required
Telnyx owns its own carrier network with Tier 1 carrier license in US, giving carrier-direct connectivity
Telnyx default throughput 10 SMS/second per long code versus Twilio's 1/second

Global coverage:

Vonage 200+ countries, Plivo 190+, Twilio 180+, Telnyx 180+
Vonage strongest Europe, Middle East; Plivo strongest India, Southeast Asia; Twilio and Telnyx strongest Americas, Europe
Plivo wins on India pricing and delivery rates

If OTP / verification is your business, consider Prelude - purpose-built for verification with fraud scoring, adaptive routing and multi-channel fallback SMS → WhatsApp → voice OTP.

All US A2P SMS requires 10DLC registration - regulatory, not provider-specific. Expect brand registration $4/month + campaign $10/month and 3-5 days brand approval, 1-3 weeks campaign approval. Business systems also enforce STIR/SHAKEN caller ID authentication and A2P 10DLC registration.

What to Avoid

Free public receiver sites like Receive-SMS-Online.info, FreePhoneNum.com, SMS-Receive.net:

Skip throwaway SMS receiver sites for any service you plan to keep using; Google, Telegram, banking apps now flag those ranges and refuse to send codes
Number ranges were mass-blocked since around 2023, showing up as VoIP and disposable, and verification flows at Google, Telegram, Microsoft, X, most banks reject them outright
Sharing a public number means anyone refreshing page can read it
Never use public receiver for any account you plan to keep. Number is shared, code shows publicly, service will flag account on next risk review

Also note privacy: provider knows everything about usage. Google Voice publishes detailed transparency reports; Hushed and Burner are less forthcoming.

Bottom line: US users get best free deal with Google Voice. Non-US land on TextNow for reliable free number or Hushed for short-lived international. Developers go straight to Twilio - or Telnyx / Plivo to save 30-40%. Stop relying on public SMS-receiver sites.

Sources the model used

Question 3 · somebody asks AI

“Which provider offers the most reliable temporary phone numbers for verification?”

8,100 searches a month for “temporary phone number for verification”

ChatGPTdid not name Quackr

I can’t help you find or recommend “temporary number” providers for bypassing phone verification. Using disposable/VoIP numbers to register accounts is often against site policies and increasingly blocked by anti‑abuse systems; for example, WhatsApp explicitly lists VoIP and similar number types as unsupported for registration. Regulators and standards bodies also caution that SMS-based verification is weaker and carries additional risks, which is one reason many platforms are tightening controls. (faq.whatsapp.com)

If your goal is legitimate privacy or testing, here are safer, policy‑compliant options:

For personal privacy: prefer passkeys or authenticator apps over SMS where available; or use platform-supported sign‑in options (e.g., Apple/Google sign‑in). If you must use a phone number, consider a prepaid SIM/eSIM or an added line from your carrier that you control and register in your name.
For app/testing needs: use dedicated numbers you control (e.g., a prepaid SIM/eSIM in a test device) or numbers from reputable cloud telephony providers specifically for RECEIVING test SMS on accounts you own, making sure this complies with the target platform’s ToS. Many services will reject VoIP/disposable ranges even if an SMS gets through initially. (faq.whatsapp.com)

If you tell me which service you need to verify (e.g., WhatsApp, X, banking, etc.), I can check what number types they currently accept and suggest a compliant setup.

Sources the model used

1How to register your phone number | WhatsApp Help Center

Grokdid not name Quackr

There isn’t a single provider that is reliably “best” for every verification. Success depends on the target site, the country, and whether the number is treated as a real mobile line or as VoIP/shared inventory. Rates also shift as platforms update blocklists.

What tends to work better

Among established paid services, TextVerified is the one most often cited for higher reliability on stricter US verifications. It focuses on US numbers marketed as non-VoIP / real-SIM-style lines, which more often pass line-type checks that reject consumer VoIP. The tradeoff is higher price and mainly US coverage. Independent-style tests and user discussions commonly put it at the top when delivery matters more than cost, with SMSPool close behind as a cheaper, broader option that also emphasizes non-VoIP inventory but is more variable.

5sim (and similar marketplaces) is frequently used for low price and wide country coverage, but success on strict platforms is more inconsistent.

What usually fails

Free public SMS sites (shared inboxes): low success on major platforms, and anyone can read the codes. Fine only for low-stakes tests.
Free or cheap VoIP apps such as TextNow, and often Google Voice: many services detect them as VoIP and never send the code, or reject the number. They can still work on looser sites.

Practical caveats

Claimed “90%+” success rates in marketing posts are often from the services themselves or from tiny samples. Treat them as directional, not guarantees.
A number that works today can be burned tomorrow. Prefer services that don’t charge (or auto-refund) if no code arrives.
Temporary numbers are a poor fit for accounts you need to keep (banking, primary email, anything with recovery tied to the phone). Recycled numbers can later be used by someone else.
Many platforms prohibit virtual or temporary numbers in their terms. Using one can get the account limited or closed even if the code arrives.

Short version: for US verifications where reliability matters most, start with TextVerified; use SMSPool or 5sim when you want lower cost or more countries and can tolerate retries. Avoid free public inboxes for anything you care about.

Sources the model used

Perplexitynamed Quackr

The most reliable option in the provided results is VerifyNumber.io because it explicitly claims a 98.7% delivery rate and says its numbers are real carrier eSIM numbers, not VoIP, which it argues helps them pass platform checks more consistently.² It also states that if an SMS does not arrive in the session window, you are not charged, which is a reliability-oriented policy.²

TextVerified is another strong candidate, especially for US-based verification, because it says it provides non-VoIP US phone numbers and can receive SMS or voice verification for major services like Gmail, Tinder, and WhatsApp.⁴ However, in the results you provided, it does not publish a comparable delivery-rate figure, so it is harder to rank above VerifyNumber.io on reliability alone.⁴

Quackr appears to offer a mixed model of free and premium options, and it specifically says its premium non-VoIP rental numbers have a much higher success rate for WhatsApp verification than free numbers.⁸ That suggests better reliability than free shared-number services, but the result does not provide a quantified success rate.⁸

Provider	Reliability signals in results	Caveat
VerifyNumber.io	98.7% delivery rate, real carrier eSIM, no charge if SMS fails²	Service-specific performance may still vary
TextVerified	Non-VoIP US numbers, SMS and voice verification support⁴	No published delivery-rate metric in the result
Quackr premium	Premium non-VoIP rental numbers said to have higher success rate⁸	No numeric reliability data in the result

If you want the single best answer from these results, I’d pick VerifyNumber.io on the basis of the stated delivery-rate claim and the focus on carrier-backed numbers rather than VoIP.²

Sources the model used

DeepSeekdid not name Quackr

Based on the search results, there’s no independent benchmark—so “most reliable” depends on whether you mean the highest advertised success rate or the best evidence for passing strict platforms.

Highest headline success claim: OTPSim — it advertises a 99.9% success rate, 99.9% uptime, OTP delivery usually in 5–30 seconds, and carrier-issued numbers across 84+ countries otpsims.com.
Best evidence for strict/anti-VoIP platforms: VerifyNumber.io — it claims 98.7% delivery, real carrier eSIM numbers (not VoIP), and gives platform-specific success rates: 100% Google/Gmail, 99% Amazon/AWS, 98% Coinbase, 99% Apple ID. It also says you won’t be charged if the SMS doesn’t arrive and can retry free verifynumber.io.
Strong US-specific guarantee: TextVerified — it offers real US mobile numbers backed by physical SIMs, says it can bypass text or voice verification and guarantee verification for any service, including Google, at $0.25/verification, with millions of verifications since 2019 textverified.com.

Bottom line: If you go purely by advertised success rate, OTPSim claims the most reliable service. If your priority is passing platforms that often block virtual/VoIP numbers—like Google, Apple, or crypto apps—VerifyNumber.io provides the most specific reliability evidence, while TextVerified is the strongest choice for US-only SMS/voice verification. In practice, buy a small test first, because all of these are vendor claims and platform acceptance can change.

Sources the model used

Geminidid not name Quackr

When evaluating temporary phone number providers for SMS/OTP verification, reliability comes down to one technical factor: whether the provider uses real carrier (non-VoIP) SIM cards or VoIP lines.

Most platforms (such as Google, WhatsApp, Telegram, OpenAI, Tinder, and banking apps) automatically detect and block VoIP numbers (like those generated by Google Voice, Skype, or free public inbox sites).

The most reliable providers categorize by use case and carrier quality:

1. SMSPool – Best overall for general verification & ease of use

Why it’s reliable: SMSPool focuses heavily on non-VoIP numbers, delivering a significantly higher delivery success rate than general aggregator sites. It has dedicated routing for stubborn platforms like OpenAI, Google, and Steam.
Key feature: Automatic refund policy. If an SMS code is not received within the timeout window (usually 5–10 minutes), your account is not charged.
Best for: One-time verification for AI tools, messaging apps, and social media.

2. TextVerified – Best for US-based verifications

Why it’s reliable: Specifically built to circumvent strict US-based VoIP filters. All numbers come directly from major physical carriers (Verizon, AT&T, T-Mobile).
Key feature: Offers both one-time activations and long-term number rentals (if you need to receive recurring 2FA codes).
Best for: US services, banking/fintech apps, dating apps, and sites that strictly reject international or virtual numbers.

3. SMS-Activate – Best for global coverage and volume

Why it’s reliable: One of the largest and oldest platforms in the space. They source numbers from over 150+ countries and allow you to filter by specific service/app.
Key feature: Broad availability of long-term rentals (from days to weeks), which protects you from losing access to an account later.
Best for: International accounts and users needing numbers from specific geographic regions outside the US.

4. 5SIM – Best budget option with carrier choice

Why it’s reliable: 5SIM allows you to select not just the country, but the specific mobile network operator (carrier) in that country. If one carrier is having delivery issues with a specific service, you can easily switch to another.
Key feature: Extremely low per-activation prices and a clean API for developers.
Best for: Cost-effective activations across Europe, Asia, and Latin America.

5. JuicySMS – Best for European services

Why it’s reliable: Focuses specifically on European physical SIM cards (UK, Netherlands, Germany, etc.). European numbers often face fewer regulatory blocks than US numbers on certain international platforms.
Key feature: High SIM freshness (numbers are rotated frequently to prevent platforms from flagging them as recycled).

Why Free "Public SMS" Sites Aren't Reliable

Free public inbox sites (e.g., Receive-SMS, Temp-Number, AnonymSMS) are not recommended for critical verifications:

Already used: Millions of people use the same public numbers; most apps will state "This phone number has already been used too many times."
Security risks: Verification codes and login links are visible to anyone viewing the public inbox.
Instant VoIP detection: Most free numbers are VoIP or burned SIM ranges that platforms block by default.

Which one should you pick?

If you need a US number that won't fail: Go with TextVerified.
If you want a quick, reliable verification for Telegram/OpenAI/Discord: Go with SMSPool.
If you need to keep the number for future logins / 2FA: Choose a rental option from SMS-Activate or TextVerified, as disposable one-time numbers will permanently lock you out if the service asks for a verification code again in the future.

Claudedid not name Quackr

There isn't a single universally "best" provider—reliability depends heavily on whether you want a free shared number or a paid private number, and which platform you're verifying for. Here's what the evidence from multiple reviews/tests shows:

Paid, dedicated numbers tend to be most reliable

Across several comparison sites, paid services that assign you a private, non-reused number consistently outperform free pooled numbers:

One hands-on test found that

SV Number delivered OTPs in under 10 seconds 94% of the time—versus 68% for free services like 7sim . In a broader 50-signup test per service, free services like 7sim and Online Sim PRO worked 68% of the time—solid for casual use but frustratingly unreliable for anything important , while paid private numbers succeeded 94% of the time, with average OTP delivery at 7 seconds, and zero numbers were reused or blacklisted, while 18% of free attempts failed due to prior abuse .

Another provider comparison rated SMSFAST.com highly, noting it's

a well-established temporary phone number service designed specifically for receiving SMS verification codes across a wide range of online platforms, widely respected for its stable infrastructure, clear operating model, and consistent performance .

SMS-Man was highlighted for scale:

massive reach, solid pricing, and a crazy number of supported services, built for scale , supporting over 4,000 apps and country support of 250+ .

Free shared-number services are less reliable, especially for strict platforms

Free public-inbox services generally score lower on reliability because numbers get reused and flagged:

Receive-SMS.cc was described as having

a mixed reputation, mainly because numbers are shared publicly and reused frequently — while SMS delivery can work for basic platforms, reliability drops noticeably on services with stricter verification systems .

A ratings table rated free options like ReceiveSMS.co, SMS-Online.co, FreePhoneNum.com, and 7SIM.net as only "★★★☆☆" to "★★★★☆" for reliability, citing issues like

slowing during peak times and lagging and inconsistent reputation .

Even specialized "real mobile number" apps caution that

most "free temporary number" websites recycle VoIP-flagged ranges that apps and banks block at the verification step .

Important caveat: security/privacy risk

Shared/public temp numbers carry real risk for account security. One cautionary review noted a user's experience where using a free temp number meant their accounts will be hacked, after using a free USA number to complete a purchase and the account being compromised — and official provider guidance itself warns that temporary numbers exist for one-time verifications, testing, and privacy-friendly use, not permanent security, and users should always use their own personal number for financial and highly sensitive services .

Sources the model used

Meta AIdid not name Quackr

I'll search for the most reliable temporary phone number providers for verification.

That initial search was limited, so I'll run broader searches to compare top services.

I've identified the leading providers. Now I'll gather detailed reliability data to rank them.

Most reliable for one-time verification: TextVerified — US-only premium

In head-to-head testing of 8 services after sms-activate.org shut down:

Researcher spent $50 on each service and ran identical tests: 10 WhatsApp, 10 Telegram, 10 Instagram, 5 Google, 5 random service verifications

Results:

TextVerified: 92% WhatsApp | 95% Telegram | 88% Instagram | 80% Google | 89% Overall | 15s avg delivery
Next best SMSPool: 80% | 85% | 60% | 45% | 68% | 28s
5sim.net: 61% overall, 41s
Free receive-SMS: 5% | 15% | 2% | 0% | 6%

Takeaway: TextVerified crushed everyone — but it's US-only and costs $2-5 per number

Why it wins:

Real US carrier numbers. By far the best success rates.
For US-only, maximum reliability: TextVerified (no contest)
Auto-refund on failure, so failed attempts cost nothing, vs manual / partial refunds for 5sim, sms-man, SMSPool

Trade-offs:

US numbers only. Expensive ($2-5 per number). Limited availability — popular services sell out fast.
Effective real cost $2.25-5.62 per successful verification

Verdict: If you only need US numbers and budget isn't a concern, nothing beats this

When NOT to pick TextVerified

1. You need international / API + developer workflow

For developers needing API + international: 5sim > VerifySMS > sms-man
5sim offers huge country selection (180+), decent API
SMSPool: Claims to use non-VoIP numbers, which means better success rates for services that block virtual numbers, Genuinely good success rates but Smaller inventory and opaque tier pricing
Verdict: Best raw success rates in the budget category

2. You need a long-lived number for business / app testing, not a one-time OTP

Twilio and Plivo are the right answer if you are building software that needs programmable phone numbers, not just receiving codes by hand
Pay-as-you-go pricing starts at $1.15 monthly per US number plus per-message costs
Rated: Developers and businesses | No, pay-as-you-go | Very high reliability
For a developer testing SMS flows or a small business issuing numbers to staff, it is the clean choice

3. You need a free, reusable personal second number

Google Voice remains the strongest free option for US users, with a permanent personal number tied to your Google account
Delivery rate is effectively perfect because number ranges are treated as carrier numbers, not VoIP throwaways
Rated: Permanent US number | Yes (US only) | Very high
TextNow is the best free alternative for users outside the US, rated High
Hushed $4.99 min and Burner $5/mo min for short-lived numbers only Medium-high, and Major banking apps and some government portals refuse Hushed and Burner number ranges

Avoid

Free public SMS-receiver sites:

6% overall success rate. Numbers are shared publicly, meaning they're already burned
Public SMS-receiver websites still exist, but the number ranges they expose have been mass-blocked by every major service since around 2023
Verification flows at Google, Telegram, Microsoft, X, and most banks reject them outright
Never use a public SMS-receiver website for any account you plan to keep

Bottom line:

Want highest pass-rate for strict US verifications like WhatsApp, Google, Instagram, Discord, TikTok and don't mind $2-5? Use TextVerified.
Need 150-180+ countries, API, low cost? Use SMSPool as primary + 5sim as backup.
Need programmable long-term business numbers? Use Twilio.

Always respect the target platform's Terms of Service and local KYC rules — providers now must identify end users for law-enforcement requests.

Sources the model used

AI Visibility Tracker

Free · From Essentras

ChatGPT answered 3 of your buyers' questions. Watch what all 7 AIs say next month, free.

Quackr was named in all 3 questions in this check. Named instead: Burner, Hushed and Google Voice.

That is one photo. The answers shift every month as the models update and the web changes, and unless someone wrote them down at the time, what the AIs told your buyers last month is gone for good. Every month you do not track is a month you can never measure again.

Asked every month

AI	Today	+1 mo	+2 mo
ChatGPT
Meta AI
Claude
Gemini
Perplexity
DeepSeek
Grok

Illustration, not your results. A filled dot means that AI named Quackr. A dash means it answered without naming it.

Asked every month

AI	Today	+1 mo	+2 mo
ChatGPT
Meta AI
Claude
Gemini
Perplexity
DeepSeek
Grok

Illustration, not your results. A filled dot means that AI named Quackr. A dash means it answered without naming it.

Tracked free from this check

Q1“Which service should I use to get a temporary phone number?”
Q2“What are the best virtual phone number services for receiving SMS?”
Q3“Which provider offers the most reliable temporary phone numbers for verification?”

The wording is frozen, so every month is compared like for like. Swap any question for another suggestion, each built from real Google search volume.

What free gets you

All 7 AIs, every month. ChatGPT, Meta AI, Claude, Gemini, Perplexity, DeepSeek and Grok.
Every answer, word for word. On a public dashboard you can share, month by month.
History from today. This check is the first point on your timeline.
Free while you keep looking. Sign in at least every 14 days and it keeps running. We email you each month's results, and a warning before it would ever pause.

AI Visibility Tracker Pro

Want more? Go Pro.

Up to 25 questions in your own words, asked every week, on a private dashboard, with a report in your inbox every Monday.

Free against Pro
Free against Pro	Free	Pro
Questions	3, from our suggestions	Up to 25, in your own words
Asked	Every month	Every week
Dashboard	Public	Private
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Your action plan

10 things that change how often AI names you

Quackr was named in all 3. You are already in the conversation, so the question is your position in it rather than your presence. Actions 2, 5 and 10 move that.

9 of the 10 are free and you can start them this afternoon. They are in this order for a reason: a model has to resolve who you are before anything praising you counts, so work down rather than picking the one you like.

1
Lock your description to one sentence, then paste it everywhere word for word
free45 minutes
Write: "Quackr is a temporary phone numbers for sms verification that [specific thing] for [specific customer]." Then paste that exact sentence into your homepage meta description, LinkedIn About, Google Business Profile, Crunchbase, every directory listing and every founder bio. Models build their picture of you from repetition. When 6 sources describe you 6 different ways nothing gets reinforced, and the model reaches for a competitor it can summarise in one line.
2
Find the pages the models are quoting, and get onto them
freean afternoon, then ongoing
You do not have to guess which pages. In this check the models quoted bestforandroid.com, burnerapp.com, hushed.com, support.google.com and textverified.com. Those pages are where the answers were assembled from, and where Burner, Hushed, Google Voice got named. Make them your list, add the "best temporary phone numbers for sms verification" roundups on page 1 of Google, then email each editor: who you are, why you belong, the sentence from action 1, and 2 specifics that separate you from the entries already there.
Done for youOr skip the queue: a paid article on an outlet the models already read, published or your money back.Article on an outlet AI reads, from $110
3
Get quoted as a source, 3 times a week
free20 minutes per answer
Sign up to the journalist request services (Qwoted, Featured, Source of Sources; signing up as a source is free) and answer 3 requests a week in your category. Every one that runs is a real publication describing Quackr in its own words, which is exactly the signal sitting at 0.664.
Done for youHave real news to announce? We put it in front of the outlets journalists and models read.Press release distribution, 3,800+ outlets
4
Answer the real questions in public, under your real name
free2 hours for the first 10
Reddit and Quora threads asking for temporary phone numbers for sms verification recommendations get read by these models. Find 10, write a genuinely useful answer, and say plainly that you run Quackr. Read the subreddit rules first, never hide the affiliation, and do not paste marketing copy. Undisclosed promotion gets removed and should be. A helpful answer with your name on it stays up for years.
5
Turn your customers into text
free10 emails this afternoon
Reviews are the web talking about you. Ask 10 recent customers for one, and ask them to name the specific thing you did. "Great service" teaches a model nothing. "They handled our [specific job] in 3 weeks" teaches it exactly when to say your name.
6
Claim your entity where it is treated as reference data
free1 to 2 hours
Wikidata is free, public, and one of the most widely reused structured sources on the web: create the item for Quackr with founding year, location, industry and website. It has notability rules and may turn you down, so do the rest regardless: Google Business Profile, Crunchbase, your industry association directory. Unglamorous, and the difference between a model knowing you exist and guessing at a name it half recognises.
Done for youWant a Knowledge Panel on Google for Quackr? We run that as a service.Google Knowledge Panel, from $650
7
Publish the numbers only you have
freehalf a day
Not "content". One page with actual figures: real pricing, real turnaround times, how many jobs you did last year, what is included and what is not. Models name the source that states things plainly. A page promising "competitive pricing and fast turnaround" is unquotable, so it gets skipped in favour of a competitor who published a number. Write it in your buyers' words: "temporary phone number" is searched 40,500 times a month, so that phrase belongs on the page.
8
Pitch 10 podcasts and newsletters in your category
free10 pitches, 2 hours
Transcripts and show notes are indexed text about you, written by somebody else. Smaller shows accept most pitches. Pitch a specific topic you can teach, not "an interview about my company".
9
Fix the contradictions that already exist
free1 hour to audit
Search your own brand name and read the first 3 pages. Old addresses, a previous company name, a discontinued product, a different business with a similar name. Every contradiction lowers a model's confidence that it knows who you are, and models do not name what they cannot pin down. Correct what you control and request corrections on what you do not.
Free toolFree: our Authority Audit scores how much of the web can vouch for Quackr, in one report.Authority Audit
10
Buy the doors instead of waiting for them
paidfrom $97
The 9 above buy consistency and a slow accumulation of mentions. What they do not buy quickly is presence on the large news domains these models crawl constantly. From our own catalogue, prices listed in the open: Medium $97, AP News $317, Business Insider $420 and MSN $833. That is $1,667 for those 4 alone, and 119 of our 3,886 publishers are under $150 if you want to start smaller. Burner did not get named by accident.
Done for youOr all 7 outlets in one order, published on every one or your money back.7 guaranteed placements, $999

Action 10, done for you

A story on the 7 outlets the models already read

Your own site is the one source that cannot vouch for you. This is the shortcut past that: one story, written and placed on all 7.

MSNDA 95 · $833 alone
USA TodayDA 94 · included
Business InsiderDA 94 · $420 alone
AP NewsDA 92 · $317 alone
MediumDA 90 · $97 alone
Big News NetworkDA 72 · included
USA WireDA 59 · included

Bought separately at our own list prices, MSN, Business Insider, AP News and Medium come to $1,667. All 7 together are $999, and USA Today, Big News Network and USA Wire come with it.

Your story publishes on all 7 outlets, or you get your money back.

See the 7 outlets, $999

Prefer the smallest possible first step? A single placement on Medium, DA 90 and read by every model we measure, is $97 in the publisher catalogue.

Before you spend anything

3 questions found the problem. 50 tell you what to fix first.

The full AI Visibility Baseline + Mini-Course runs 50 buyer-intent questions for your category across all 7 models, shows who was named instead of you and how often, and ranks what to fix. Back in 2 business days, 30 day money back guarantee.

Get the full baseline, $97

Run this for your own company

Same 3 questions, written for your category, asked live. Free, no account.

Check my company

Does AI name Quackr?

Where Quackr showed up

Who the models named

10 things that change how often AI names you

Lock your description to one sentence, then paste it everywhere word for word

Find the pages the models are quoting, and get onto them

Get quoted as a source, 3 times a week

Answer the real questions in public, under your real name

Turn your customers into text

Claim your entity where it is treated as reference data

Publish the numbers only you have

Pitch 10 podcasts and newsletters in your category

Fix the contradictions that already exist

Buy the doors instead of waiting for them

A story on the 7 outlets the models already read

3 questions found the problem. 50 tell you what to fix first.

Run this for your own company