Pennsylvania 市外局番: 878

Note：878 市外局番は Pennsylvania, アメリカ合衆国. 国際番号は 001878 or 001-878、0010878、+1-878、+1+878、+1878、00-1-878、00 1 878.

More About Area Code 878

Area Code 878 was first put in service August 17, 2001. Currently, the largest city it serves is Pittsburgh, PA, and it overlaps coverage areas with area codes 412 and 724.

Active Phone Number Prefixes

Prefix	Usage	Primary City	Carrier
(878) 201-	Landline	Rochester	Peerless Network Of Pennsylvania
(878) 202-	Landline	Sharon	Time Warner Cable Information Svcs (pa), Pa
(878) 222-	Landline	New Wilmington	Voxbeam Telecommunications Inc.
(878) 258-	Landline	Freeport	Salsgiver Telecom
(878) 295-	Wireless	Greensburg	Aerial Communications
(878) 302-	Landline	Pittsburgh	Peerless Network Of Pennsylvania
(878) 332-	Landline	Wexford	Level 3 Communications
(878) 422-	Landline	Freeport	Salsgiver Telecom
(878) 444-	Landline	Homer City	Voxbeam Telecommunications Inc.
(878) 777-	Landline	Derry	Voxbeam Telecommunications Inc.
(878) 888-	Landline	Aultman	Voxbeam Telecommunications Inc.