List of Pennsylvania area codes

This is a list of telephone area codes of Pennsylvania.

In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each.

Since 1995, several relief actions in form of area code splits and overlays have expanded the list of area codes.

As a result, all numbering plan areas are overlay complexes and ten-digit dialing is mandatory statewide.

Pennsylvania area codes Area code 716 Area code 585 Area code 607 Area code 845 Area codes 973 and 862 Area code 908 Area codes 410 and 443 Area code 302 Area codes 240 and 301 Area codes 304 and 681 Area codes 330 and 234 Area code 440 Area code 724 Area code 878 Area code 724 Area code 814 Area codes 272 and 570 Area codes 610, 484, and 835 Area code 856 Area codes 215, 267, and 445 Area codes 609 and 640 Area codes 223 and 717 Area code 412
Interactive map of the numbering plan areas of the Commonwealth of Pennsylvania (blue).