How to Use a Temporary Phone Number for Verification, Start to Finish
Using a temporary phone number for verification takes a few minutes, but the job isn't finished when the code is accepted. Because the number is public, anyone can receive the next code sent to it, so the steps after verification matter as much as the ones before.
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Click a number to open its public inbox, enter the number on the signup form, then press Update Messages on the number's page to fetch the code.
Before you start
- Check the account is low-stakes. If you'd need to recover it, pay through it or prove your identity with it, use your own number instead; this decision guide helps you judge.
- Have an email address ready that you control. You'll add it as soon as you're in.
- Install an authenticator app on your phone if you don't have one, in case the service supports it.
- Skim the service's rules. If its terms say the number must be your own, a public number isn't appropriate there.
From signup form to verified account
- Fill in the signup form up to the phone number field.
- In a second tab, open the number list, choose a number and open its page.
- Enter the number in the form. If it's refused as invalid, check the number format.
- Choose to get the code by text message and request it once.
- On the number's page, press Update Messages and wait about 20 seconds for the fetch to finish.
- Find the text from the service that arrived after your request, and type the code into the form.
- Finish the remaining signup screens until the account shows you're signed in.
Stuck at step 5 or 6? The troubleshooting guide covers each error. Once you're in, stay signed in: changing settings is easier now than after a logout, when the service may want a new code.
Right after you're verified: add your own recovery
Once the temporary phone number for verification has done its job, do this before anything else in the new account. The goal is a way back in that doesn't depend on a public number.
- Add and confirm an email address. Many services let you reset a password by email.
- Turn on an authenticator app for two-step sign-in if it's offered, instead of SMS codes.
- Save any backup codes the service gives you, somewhere offline.
- Set a strong, unique password so you're unlikely to need a reset at all.
Then check that the email step actually finished. Many services send a confirmation link that you have to click before the address counts for recovery. While you're in the security settings, look for a list of active sessions or devices and sign out any you don't recognize.
Replace or remove the temporary number
Next, find the phone number in the account's settings, often under Account, Security or Privacy.
| Setting | What to do | Why |
|---|---|---|
| Phone number on the account | Remove it, or change it to a number you control | Future login and reset codes would otherwise go to a public inbox |
| SMS two-step sign-in | Turn it off and use an authenticator app | Someone reading the inbox could receive your sign-in codes |
| Recovery email | Confirm it's yours and verified | It becomes your main way back in |
| Login alerts | Turn on email alerts for new sign-ins, if offered | You'll hear about it if someone else gets in |
Some services won't let you remove a temporary phone number for verification once it's on file, or text a code to the old number before changing it. If you can't swap it, treat the account as disposable: store nothing valuable in it, and recreate it with your own number if it becomes important. What being SMS verified means covers that recovery risk in more depth.
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