Lots of people are looking to contact Facebook admin because of the recent problems of Facebook .
Lots of Facebook accounts are disabled without warning and giving any reason so people want their accounts back but unfortunately it is not possible now to get your account back . But you still can contact Facebook .
Facebook's phone number is +1 (650) 543-4800. They don't offer tech support over the phone, but you can reach law enforcement, copyright claims, etc. through this phone number.
You can also contact Facebook by email@example.com . You can send them your problems and Questions on the support address given above .