| Cause | Solution | |---|---| | | Verify that the phone number associated with your Facebook account is correct and includes the proper country code. If you're not sure, try to log in from a device you've used before to check your contact information. | | SMS notifications disabled | In Facebook Settings under "Notifications," check the SMS section and ensure that security code notifications are enabled. | | Mobile carrier delays | Sometimes SMS messages are delayed by your mobile carrier. Wait a few minutes and check your signal strength. Restarting your phone can also help. | | Temporary security block ("We can't send a code right now") | Facebook may temporarily block code delivery if too many verification codes were requested in a short period. This is part of Facebook's built-in security system. The cooldown period typically lasts a few hours, though in some cases it may extend up to a full day. | | Shortcode messages blocked | Some mobile carriers or phone settings block messages from shortcodes like Facebook's 32665 . Check with your carrier or your phone's SMS settings to ensure shortcode messages are allowed. |
This article is based on information available as of early 2026. Facebook frequently updates its security features. facebook six digit code
If you recently changed your phone number or email address but forgot to update your Facebook settings, the code is likely being sent to an old, inaccessible account. 2. Network and Carrier Delays | Cause | Solution | |---|---| | |
To avoid future login headaches and shield your account from hackers, implement these security habits: | | Mobile carrier delays | Sometimes SMS
If you previously configured this feature, you can ask your chosen friends to generate a special recovery code for you.
The most common variant targets users of Facebook Marketplace. A supposed "buyer" contacts you, expresses interest in your listed item, and then claims they need to verify you are a real seller. They ask you to send them the six‑digit code you are about to receive. What is actually happening is that the scammer is using your phone number to set up a Google Voice account or to initiate a password reset on one of your accounts. Once you hand over that code, the scammer can hijack your accounts, lock you out, and potentially drain linked payment methods.
SMS-based codes are vulnerable to "SIM-swapping" attacks, where hackers trick your mobile carrier into routing your texts to their devices. For maximum security, transition away from text codes. Go to > Settings > Accounts Center . Tap Password and Security > Two-Factor Authentication . Select Authentication App as your primary method.