If your account is temporarily innaccessible, this should be because there
are some maintenance issue upon it or some updates being carried out on
it. As soon as they have completed the task, you won't need any code but
have access to your account automatically. Still if your account has been
disabled, you should contact Facebook Support to see whether it can be
Thanks in advance.
If you have dis activated if before, by just inserting your email and password it should be reactivated again.