List of Pennsylvania area codes
This is a list of telephone area codes in the Commonwealth of Pennsylvania.
215: The city of Philadelphia and its immediately surrounding areas in the southeast corner of Pennsylvania directly to its north
223: Overlay plan with 717
267: Overlay plan with 215
272: Overlay plan with 570
412: The city of Pittsburgh and its immediately surrounding areas in Allegheny County
445: Overlay plan with 215 and 267
484: Overlay plan with 610
570: Northeastern Pennsylvania, including Scranton and Wilkes-Barre.
610: Southeastern Pennsylvania outside Philadelphia, including the Lehigh Valley, but excluding all but northernmost Bucks County and the eastern half of Montgomery County
717: South Central Pennsylvania, including Harrisburg, Lancaster, and York.
724: Western Pennsylvania outside Pittsburgh and Allegheny County ; completely surrounds 412
814: Northwestern and central Pennsylvania, from Bedford County to Centre County extending to the shores of Lake Erie, and including the city of Erie
878: Overlay plan with 412 and 724.
The original four area codes for Pennsylvania in 1947 were 215, 412, 717, and 814. 610 was added in 1995, and several other splits and overlays have occurred since then. Area code 835 is planned as an additional overlay with 610.
