To find your user ID:
- Tap in the top right of Facebook.
- Scroll down and tap Settings.
- Tap Apps and Websites, then tap Logged in with Facebook.
- Tap on the name of the app.
- Scroll down to Learn more. Your user ID is in the paragraph below.
What is Facebook user ID?
User ID. Your User ID is a string of numbers that doesn't personally identify you but does connect to your Facebook profile. You have a User ID automatically, whether or not you choose to create a username. Learn how to find your user ID.