1.Login into your facebook account.
2.After you are logged into your facebook account click this linkhttp://www.facebook.com/confirmphone.php
3.Now you will be prompted to select your country and enter your phone number.
4.After filling the above field you will receive facebook confirmation code on your mobile.
5.Now fill this code in the code field and that’s it.You will see a prompt saying “Your mobile phone has been successfully verified”
That's it.
