412 Area Code
Pittsburgh, Pennsylvania
Area code 412 is located in Pittsburgh, Pennsylvania. It covers Pittsburgh, McKeesport, and surrounding areas in the Eastern time zone (UTC-5). Administered by NANPA.
Where is area code 412?
Area code 412 is located in Pittsburgh, Pennsylvania. It covers Pittsburgh, McKeesport, and surrounding areas in the Eastern time zone (UTC-5).
Area code 412 is overlaid by area code 878. Both codes serve the same geographic region and require 10-digit dialing for local calls.
Cities Covered by Area Code 412
Area code 412 primarily serves the Pittsburgh area of Pennsylvania. The exact coverage includes Pittsburgh, McKeesport, and Bethel Park, along with surrounding communities and suburbs.
Time Zone
Eastern Time — UTC-5
Area code 412 operates in the Eastern Time Zone. When calling 412 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 412
Area code 412 was introduced in 1947 as a geographic area code serving Pittsburgh, Pennsylvania. As demand for phone numbers grew, overlay code 878 was added to the same region, requiring 10-digit dialing for local calls. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.