If that's nothing you want to occur (and you shouldn't), you can get around the trouble by removing your telephone number from the site and establishing two-factor authentication up utilizing a verification app instead.
How Do You Delete A Contact On Facebook
To remove your phone number from Facebook most likely to the Settings menu on your account (you arrive by clicking the arrow on top right side of the page) and afterwards Your Facebook Details followed by View under the Gain access to Your Details label. Within that menu, you'll want to choose Personal Information and afterwards Your Contact Information. When you see your phone number, struck that delete button.
To Remove a mobile phone number:
-Click in the leading right corner of your Facebook page.
-Click Settings, then click Mobile in the left sidebar.
-Click Remove below the number you 'd like to Remove.
-Click Remove Phone to verify.
Afterward, pick Safety and Login from that major Settings page and after that Set up two-factor verification. From there you need to have the ability to customize your two-factor Settings, particularly to make sure that you're making use of an authenticator app (such as Google Verification) as opposed to your telephone number for that added layer of safety.