This document explains what a Facebook ID (FBID) is, why you might need it, and step-by-step methods to find the FBID for a personal profile, a page, or a post — using current, practical approaches.
Log into your account and click on your profile picture to open your main profile page. Look at the URL in your browser. find my fbid
If you manage a business page, you can find the ID directly in the settings: Find Your Business Portfolio ID | Meta Business Help Center How to Find Your Facebook ID (FBID) This
Your username is the text that appears at the end of your profile URL (e.g., ://facebook.com). Go to the specific Facebook Page
Quick reference checklist
Two-Factor Code: If you are looking for a security code rather than an ID, use the Code Generator within the "Settings & privacy" menu of the Facebook app.