How do I contact Facebook by phone to access my old account?

If you look to know the way of How do I contact Facebook by phone to access your old account, then you must follow the below guidelines. Actually, for it, you must ensure that you have remembered the old account user id and password. And, if you forget your account password, then you must have a mobile number or email address to get a security code. https://www.mailsupportnumber.com/blog/how-do-i-contact-facebook-custome...