Area Code 878

878 is an overlay code for area code 412 and 724 in southwest Pennsylvania, though no numbers have yet been assigned to it. 10-digit dialing is mandatory in the area.

Prefix City/State Phone Type Company
878-201 Rochester, PA Landline Peerless Network Of Pennsylvania
878-202 Sharon, PA Landline Time Warner Cable Information Svcs (pa), Pa
878-222 Parkwood, PA Landline Unknown
878-258 Parkwood, PA Landline Unknown
878-295 Parkwood, PA Landline Unknown
878-302 Pittsburgh, PA Landline Peerless Network Of Pennsylvania
878-332 Parkwood, PA Landline Unknown
878-422 Parkwood, PA Landline Unknown
878-444 Parkwood, PA Landline Unknown
878-777 Derry, PA Landline Voxbeam Telecommunications Inc.