Before You Go:
* If you have added your mobile number to your Facebook account or activated Facebook text notifications, you don't need to verify your profile again.
1. Navigate to Facebook Mobile Settings page.
2. Click on the Add a Phone button.
3. Now you may prompt to enter your current password.
5. Now follow the instructions and enter in the confirmation code you received in the given text field.
* If you didn't receive confirmation code after all, you can report it to Facebook via Mobile Account Verification form.
* Don't keep Share my phone number with my friends option unless you wanna share your mobile number with friends on Facebook.