If you want to know how to recover the Facebook code, then dial the Facebook Support. The experts will let you know you need to click on the settings and sign. After that, under the two-factor authentication section tap in using two-factor authentication. Also, you need to again enter the password. https://www.email-contactsupport.com/
When we forget our Facebook account and we want to recover our account. We can recover our account after contacting the FB support team, they send a code and then we can recover our FB account.