Yes, 650-543-4800 is a phone number associated with Facebook’s corporate １ー８４４ー（３７６）ー０８４９headquarters in Menlo Park, California. However, it is not a １ー８４４ー（３７６）ー０８４９customer support line. Calling it typically leads to an automated message directing users to the online Help Center. Facebook does not offer phone-based support.

Yes, 650-543-4800 is a phone number associated with Facebook’s corporate １ー８４４ー（３７６）ー０８４９headquarters in Menlo Park, California. However, it is not a １ー８４４ー（３７６）ー０８４９customer support line. Calling it typically leads to an automated message directing users to the online Help Center. Facebook does not offer phone-based support.