1. Click in the top right corner of your Facebook page.
2. Click Settings, then click Mobile in the left sidebar.
3. Click + Add a Phone to add your first phone number or click + Add another mobile phone number to add more numbers.
4. Enter your phone number and choose if you'd like to get a text message or phone call with your confirmation code, then click Continue. You may need to check to make sure you've turned on mobile texts.
5. Enter your confirmation code and click Confirm.

1. Click in the top right corner of your Facebook page.
2. Click Settings, then click Mobile in the left sidebar.
3. Click Remove below the number you'd like to remove.
4. Click Remove Phone to confirm.

We recommend that you always add an email to your account to help you gain access to your account in case you ever lose access to your mobile phone.