Western Pennsylvania outside Pittsburgh and Allegheny County except for outermost areas, such as Wexford, Gibsonia, Tarentum, parts of Monroeville, and parts of southern Allegheny County; completely surrounds 412
list, pennsylvania, area, codes, this, list, telephone, area, codes, pennsylvania, interactive, numbering, plan, areas, commonwealth, pennsylvania, blue, 1947, american, telephone, telegraph, company, divided, pennsylvania, into, four, numbering, plan, areas, . This is a list of telephone area codes of Pennsylvania Interactive map of the numbering plan areas of the Commonwealth of Pennsylvania blue 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 Area code Additionaloverlay codes Parent ofarea code splits Location215 267 445 Philadelphia and its immediately surrounding areas in the southeast corner of Pennsylvania223 717 267 215 445272 570 412 878 Pittsburgh and its immediately surrounding areas in Allegheny County445 215 267484 610 835570 272 717 1998 Northeastern Pennsylvania including Scranton and Wilkes Barre582 814 610 484 835 215 717 1994 Southeastern Pennsylvania outside Philadelphia including the Lehigh Valley but excluding all but northernmost Bucks County and the eastern half of Montgomery County717 223 South Central Pennsylvania including Harrisburg Lancaster and York 724 878 412 1998 Western Pennsylvania outside Pittsburgh and Allegheny County except for outermost areas such as Wexford Gibsonia Tarentum parts of Monroeville and parts of southern Allegheny County completely surrounds 412814 582 Northwestern and central Pennsylvania from Bedford County to Centre County extending to the shores of Lake Erie and including the city of Erie835 484 610 878 412 724 Notes Original area code assigned in 1947 parent code of overlay complexSee also editList of North American Numbering Plan area codes North American Numbering Plan Original North American area codesExternal links editNANPA area code map of Pennsylvania Retrieved from https en wikipedia org w index php title List of Pennsylvania area codes amp oldid 1189899038, wikipedia, wiki, book, books, library,