Facebook Six Digit Code

Because someone (maybe you) enabled Two-Factor Authentication. The password verifies what you know ; the code verifies what you have (your phone).

Acts as a second layer of security beyond your password. When 2FA is active, Facebook requires this code whenever you log in from an unrecognized browser or device. facebook six digit code

If you set up 2FA using an app like , Microsoft Authenticator , or Duo : or Duo :