: If you cannot remember your contact info, searching by your profile name or custom username (found at the end of your profile URL) can locate the account. The Recovery Process
Sometimes, users reach a dead end—no recovery email access, no phone, and failed friend tests. In this scenario: Facebook.com Login Identify
Facebook will offer to send a security code via email or text message. Select the option you still have access to, and follow the instructions to enter the code 0.5.2. : If you cannot remember your contact info,
: If you don't remember your email or phone number, you can try searching by your Follow Recovery Steps : Once your account is identified, Facebook.com Login Identify