what area code is 412

The area code 412 is located in the state of Pennsylvania and serves the city of Pittsburgh and its surrounding areas. It was one of the original 86 area codes created by AT&T and the Bell System in 1947. The area code was split in 1998, creating the need to update some phone numbers to area code 724. In 2001, area code 878 was created and is currently an overlay to 412 and 724. The 412 area code covers Pittsburgh, Bethel Park, Monroeville, Allison Park, and other surrounding areas. It is located in the Eastern timezone, also known as America/New_York