How to Delete Your Phone Number From Facebook
Remove your number from the Facebook mobile service by clicking on the "Account" web link on top of Facebook and selecting "Settings" from the drop-down menu.
Click the "Mobile" tab.
Click the "Remove from your account" web link promptly to the right of your telephone number in the "Mobile Phones" section of the page. Scroll down and also click the "Save Preferences" switch at the bottom of the web page.
Remove your telephone number from your account by clicking "About" in the top middle of your individual account.
Click the "Contact and basic info" tab in the left column of the display. Highlight your phone number and click "Edit" on Mobile phones. Next, press "Remove" Scroll down and click the "Save Changes" button.
Privacy Vigilance
One of the most alert step you could require to make sure that your personal address and phone number are kept exclusive as well as protected from spying eyes and 3rd party developers is to make sure that they will not have access to it. Experts suggest that if this exclusive information remains in your Facebook account, to remove it.
Facebook Safety: Login Approvals and Your Cell Phone Number
Prior to you Remove your mobile phone entirely from your Facebook profile, you could want to consider leaving it there as well as establishing the presence to "Just Me" to make sure that you can utilize Facebook's Login Approvals.