He then hits the option to have a 6 digit code sent to his phone but nothing comes through. He has tried numerous times on both his phone and on a desktop and has not received any 6 digit codes. He is unable to access the email that is associated with his account so receiving the code by text is the only way he would be able to reset his password.
https://www.prod.facebook.com/help/community/question/?id=10160211953170175

