Posted on 06/11/26 02:01 am
Lost the phone number on your Signal account? You can usually still get in with your email, a backup code or a device where you are signed in. Here is the order to try, and how to stop it happening again.
Messaging apps tie the whole account to one phone number, so the number decides who can log in. Signal registers your account to a phone number with a text or voice-call code. When you sign in on a new device or reset the password, Signal sends the code to the number on file, not to the phone you are holding.
| You still have | Do this | How fast |
|---|---|---|
| Signal open on another phone, tablet or computer | Change the phone number in settings there | Minutes |
| Access to the account email | Use the email code or reset link | Minutes |
| Backup codes or an authenticator app | Sign in with a code, then update the number | Minutes |
| Only your password | Use Signal's recovery form or support | Hours to days |
| Nothing | Recovery form with proof of ownership (old passwords, payments, ID) | Days, not guaranteed |
Registration Lock asks for your Signal PIN; if you forget it, the lock expires after 7 days without use. Signal ties the account to the number, so keep Registration Lock on.
Add the new number in Signal while the old one still works, and remove the old one afterwards. Carriers give unused numbers to new customers after a while, so an old number left on the account can end up with a stranger.
Usually yes: through a signed-in device, your email, backup codes or Signal's recovery form.
Use Signal's recovery form or support, and expect to prove the account is yours. It takes longer, so answer carefully and send one request.
Email and backup-code recovery is instant; recovery forms can take hours to several days.
No. Signal sends codes to the number already on the account. Add the new number after you are back in.
Sometimes, if you contact the carrier soon after losing it; after a few months it may be given to someone else.
Support follows the same checks as the recovery form, so have proof of ownership ready, such as the account email, old passwords or payment details.
Related: Signal number · Signal without your number · signal verification code not received · verification code not received on any app.
Receive SMS online · Non-VoIP numbers · Temporary phone numbers · Free numbers