CMB SMS verification with a virtual number
Receive your CMB verification code online in seconds. Pick a country, buy a one-time number from $0.18, enter it in CMB and read the SMS here. No SIM card, no subscription, automatic refund if no code arrives.
CMB number prices by country
Prices are per received SMS in USD. Availability updates every few minutes.
How to verify CMB with AuthSMS
- 1
Choose a country
Pick the country whose number you want. Some services check the country, so match it to your target region if needed.
- 2
Get a number
Buy a one-time number. It is reserved for you for about 20 minutes.
- 3
Receive the code
Enter the number in CMB, request the SMS and the code appears in your dashboard within seconds.
CMB verification: common questions
Does CMB accept virtual numbers?+
Yes. Our numbers are real mobile numbers from local carriers, so CMB treats them like any other phone. If a specific number is rejected, cancel it and take another one at no cost.
How fast does the CMB code arrive?+
Usually within 5 to 30 seconds after CMB sends it. The number stays active for about 20 minutes.
What if no SMS arrives?+
You get an automatic refund when the number expires without a code. You can also cancel manually after 3 minutes.
Can I use the same number again?+
Often yes: after a code arrives you can buy the same number again for a few hours or days, for example to receive a second CMB code later.
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