Free Temp Phone Number for OTP Verification
Get a virtual phone number for verification — receive OTP codes and SMS messages online across 150+ countries, delivered instantly to your dashboard.
No personal mobile number or SIM card required. Start free — $0.10 in credits on signup.
Receive OTP for Any Platform — 800+ Supported
AmazonHow to Get a Temp Number for OTP in 4 Steps
Receive OTP verification codes and SMS messages online in under a minute — no SIM card, no personal number needed. Works for phone verification on any online service.
- 01
Create a free account
Sign up at NumberOTP — takes 30 seconds. You receive $0.10 in free credits immediately. No card required to start receiving messages.
- 02
Pick your platform and country
Choose the online service you want to verify (WhatsApp, Google, Telegram, and 800+ others) and select the country for your temp phone number.
- 03
Get your temporary number online
A real non-VoIP number is assigned in ~3 seconds. Copy it, enter it into the app's phone verification field, and the service will send an SMS to your temp number.
- 04
Receive the verification code instantly
The SMS message appears in your dashboard within seconds. Copy the OTP code, complete your verification, and you're done — the number expires automatically after use.
Why people use NumberOTP to receive SMS online
Trusted by users in 150+ countries. Every SMS a service sends to verify you lands on your temp number — no personal mobile number needed.
1M+
Active Numbers
across all providers
800+
Supported Services
social, crypto, gaming & more
150+
Countries
global carrier coverage
99.96%
Uptime
12-month rolling average
99%
Delivery Rate
direct carrier routes
~3s
Avg. Number Ready
from click to OTP
The best way to get a temp number for OTP
Get a real number for verification that apps actually accept. Our non-VoIP numbers run on real carrier networks — not blocked VoIP lines. Receive SMS and OTP codes from any online service, instantly.
OTP in Under 30 Seconds
Your real number for verification is ready in ~3 seconds. Enter it in any app and the OTP code appears in your dashboard almost instantly.
Keep Your Number Private
Use a disposable phone number instead of your personal mobile number. No spam texts, no data leaks, no link to your real identity.
Any Country, Any Platform
Get a US, UK, Indian, or German number — from 150+ countries — and receive SMS for WhatsApp, Google, Telegram, and 800+ other apps.
99% Delivery — Money Back if Not
We use real carrier SIM numbers, not VoIP lines that apps block. If your OTP doesn't arrive, your credits are automatically refunded.
Receive OTP Online — Free to Start
New accounts get $0.10 in free credits — enough for your first activation. After that, top up and pay only for what you use. Real non-VoIP numbers start from a few cents.
Claim free credits →Featured across the web
Trusted by thousands of users worldwide
“Got my WhatsApp number set up in under 10 seconds. The OTP came through before I'd even switched tabs. Honestly impressive.”
Arjun K.
Verified user · WhatsApp verification
“We use NumberOTP to test our registration flows across 12 markets. The country sorting surfaces the reliable combos first — saves us hours every sprint.”
Marta R.
QA Engineer
“Needed a US number in Berlin to verify my old Venmo account. $0.18, done in 15 seconds. Nothing else even came close.”
James L.
Expat · US number from Germany
Frequently Asked Questions
Everything you need to know about receiving text messages and SMS messages online with a temporary number.
- What is a temp number for OTP? +
- A temp number (temporary phone number) is a virtual phone number you can use to receive SMS verification codes (OTPs) online — without using your personal SIM card. NumberOTP provides real, non-VoIP temporary numbers from 150+ countries that work on WhatsApp, Google, Telegram, and 800+ other online services.
- How do I get a free temp phone number? +
- Sign up at numberotp.com — you receive $0.10 in free credits immediately, enough for your first number activation. Select your platform and country, get a number instantly, and receive the OTP in your dashboard within seconds. No card required.
- Can I use a temp number for WhatsApp or Google? +
- Yes. NumberOTP provides real non-VoIP numbers that pass phone verification on WhatsApp, Google, Telegram, Instagram, Facebook, Amazon, Apple ID, and 800+ other platforms. VoIP numbers are blocked by these services, but NumberOTP uses carrier-grade numbers that work reliably.
- How quickly do I receive SMS messages on my temp number? +
- SMS messages arrive in your NumberOTP dashboard almost instantly — typically within 3–30 seconds of requesting the OTP. The number itself is ready in approximately 3 seconds. You can receive text messages and verification codes in real time without any delay.
- What happens if I don't receive my OTP? +
- If your number expires without receiving an SMS, your credits are automatically refunded. You are never charged for a failed activation. This auto-refund guarantee applies to all number activations on NumberOTP.
- How much does a temp phone number cost? +
- Temporary numbers start from a few cents per activation, depending on the country and platform. You can see the exact price before confirming any activation — there are no hidden fees. New accounts get $0.10 in free credits to start receiving SMS online immediately.
From the Blog
Developer guides and platform updates.
How to Test SMS OTP Verification Without a Real Phone Number (Developer Guide)
Learn how to test SMS OTP flows end-to-end without a SIM card. Covers virtual number APIs, mocking, Twilio test creds, and a working Python test example.
How to Get a Second Phone Number for Verification (Without Buying a New SIM)
Need a second phone number for app verifications? Compare virtual numbers, eSIM, Google Voice, and dual SIM. Find which actually works on WhatsApp, Google, and more.
Why Do Apps Want Your Phone Number? The Truth About What They Do With It
Apps collect your phone number for tracking, ad targeting, and data selling — not just verification. Learn the risks and how to protect yourself with a virtual number.
Start receiving OTP online for free
Get your first temp phone number in seconds. $0.10 in free credits on signup — no card required.
Have questions? Read the FAQ