Make sure that you've added your correct mobile number to your Facebook account. If you entered the wrong number, you can correct your information and have the text message (SMS) resent.
In
some countries, you may need to wait up to 12 hours before you receive
the code. Facebook working with mobile carriers to resolve this issue.
If you've followed the above steps and are still having trouble receiving the text message with your confirmation code, Check Here!.
Tags: can't login to facebook account, unable to confirm my facebook account, not received confirmation code for facebook, how to confirm facebook account when text message for confirmation not received,
