Area code 878
Assigned to Pennsylvania.
Area code 878 is a geographic code in the North American Numbering Plan. Most of this region uses the America/New York time zone.
Other area codes in Pennsylvania: 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835.
Is a call from 878 local?
Not necessarily. People keep their numbers when they move, internet phone numbers can be used anywhere, and robocallers often spoof local-looking numbers. Learn about spoofing.