Facebook profile ID is a unique number assigned to every Facebook profiles and pages. You can assign custom profile names in the place of numbers. Once a profile name or username has been created, the profile ID no longer shows in the address bar.
By default when anyone create an account in FB he/she will get a profile Id, later you can create a unique profile name as yours wish. Do you know Mark Zuckerberg’s profile ID is 4, and 1-3 is no longer exists it’s for using testing purposes. To find your profile ID, if you are using custom profile names, the following two simple steps will help you.
Method 1
1. Go to your Facebook Profile.
2. Click on your profile Picture or Cover photo.
3. In the address bar you can see a large URL with lot of numbers, and your Profile Id is just before &type=
Method 2
1. Open a new tab in your browser and copy the following URL and paste there http://graph.facebook.com/ and don’t hit Enter key.
2.Type your profile name after the slash just like this http://graph.facebook.com/viveknathr and hit enter.
3. Now you can see your profile id.
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