Area code 878
Area code in Southwestern PennsylvaniaArea code 878 is an area code in the North American Numbering Plan for southwestern Pennsylvania, centered in Pittsburgh. It forms an overlay complex with two distinct numbering plan areas, 412 in Pittsburgh and some suburban areas and 724 in an area surrounding 412 in the southwestern corner of the state. Area code 878 was activated on August 17, 2001.
Read article
Top Questions
AI generatedMore questions
Nearby Places

Brownsville, Pennsylvania
Borough in Pennsylvania, US

Hiller, Pennsylvania
Unincorporated community in Pennsylvania, US

Dunlap's Creek Bridge
Bridge in Brownsville, Pennsylvania

Brownsville Bridge
Bridge in United States of America

Joseph Dorsey House
Historic house in Pennsylvania, United States

Malden Inn
United States historic place

Malden, Pennsylvania
Unincorporated hamlet in Pennsylvania, U.S.
Denbo, Pennsylvania
Unincorporated community in Pennsylvania, US