Entering the numeric ID does not grant special privileges. It simply helps Facebook find the correct account if you have a common name.
Inputting a previously saved Facebook One-Time Password via SMS if a phone number was ever linked. The Identity Verification Portal ("No Longer Have Access") findmyfbid in password reset without email
Once approved (usually takes 1–3 business days), a reset link will be sent to your new email. Alternative Solutions for Account Recovery Entering the numeric ID does not grant special privileges
Are you trying to recover this account from a ? findmyfbid in password reset without email