610 Area Code
Southeastern Pennsylvania, Pennsylvania
Area code 610 is located in Southeastern Pennsylvania, Pennsylvania. It covers Allentown, Bethlehem, and surrounding areas in the Eastern time zone (UTC-5). Administered by NANPA.
Where is area code 610?
Area code 610 is located in Southeastern Pennsylvania, Pennsylvania. It covers Allentown, Bethlehem, and surrounding areas in the Eastern time zone (UTC-5).
Area code 610 is overlaid by area code 484. Both codes serve the same geographic region and require 10-digit dialing for local calls.
Cities Covered by Area Code 610
Area code 610 primarily serves the Southeastern Pennsylvania area of Pennsylvania. The exact coverage includes Allentown, Bethlehem, and Norristown, along with surrounding communities and suburbs.
Time Zone
Eastern Time — UTC-5
Area code 610 operates in the Eastern Time Zone. When calling 610 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 610
Area code 610 was introduced in 1994 as a geographic area code serving Southeastern Pennsylvania, Pennsylvania. As demand for phone numbers grew, overlay code 484 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.