Area Code 610

610 is the area code for the eastern and southeast regions of Pennsylvania. The 610 area code includes the cities of Allentown, Bethlehem, and Reading. Northampton County, Delaware County, and most of Chester county is served by the 610 area code. 610 is overlaid by the 484 area code, and area code 835 is pending but has yet to be established.

Area Code 610 Prefixes