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Interactive map of the numbering plan areas of the Commonwealth of Pennsylvania (blue). 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.
An 1836 map of Pennsylvania's counties. The Federal Information Processing Standard (FIPS) code, used by the U.S. government to uniquely identify counties, is provided with each entry. FIPS codes are five-digit numbers; for Pennsylvania the codes start with 42 and are completed with the three-digit county code.
Counties with a home rule charter may design their own form of county government, but are still generally subject to the County Code (which covers first-, third-, fourth-, fifth-, sixth-, seventh-, and eighth-class counties) or the Second-Class County Code (which covers second-class and second-class A counties). Because home rule charters ...
The FIPS state alpha code for each U.S. states and the District of Columbia are identical to the postal abbreviations by the United States Postal Service. From September 3, 1987, the same was true of the alpha code for each of the outlying areas, with the exception of U.S. Minor Outlying Islands (UM) as the USPS routes mail for these islands ...
Area code 445 was first proposed in July 2000 as an overlay code on numbering plan area 215/267. [1] However, these plans were delayed and then rescinded in 2003 by the Pennsylvania Public Utility Commission. [2] The need for new phone numbers in area codes 215/267 was delayed until 2018.
Map of previous proposed split of 814 with 582, showing county lines. When numbering pool exhaustion became a threat in the 2000s, the Pennsylvania Public Utility Commission (PUC) approved a numbering plan split in December 2009, that would have assigned area code 582 to most of the northwestern portion of the territory, including Erie, by 2012. [2]
Area code 717 was assigned to the eastern half of Pennsylvania, excluding the Delaware and Lehigh Valleys. Area code 570 was created when the 717 numbering plan area was divided on December 5, 1998. It was the first new Pennsylvania area code created outside Philadelphia and Pittsburgh since the implementation of the area code system.
Each code consists of two parts, separated by a hyphen. The first part is US , the ISO 3166-1 alpha-2 code of the United States. The second part is two letters, which is the postal abbreviation of the state, district, or outlying area, except the United States Minor Outlying Islands which do not have a postal abbreviation.