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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
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
Pages in category "Area codes in Pennsylvania" The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes. 0–9.
Area code 814 is one of the original North American area codes established in 1947. Its numbering plan area (NPA) is the largest in the state. It is the only one of Pennsylvania's original four NPAs that still has its original boundaries.
Area code 835 was eventually approved by the Public Utility Commission on December 2, 2021. Assignment of central office codes in the new area code began on September 2, 2022. [4] When area codes were introduced in 1947, their middle digit was either 0 or 1. In 1994, area code 610 was the last area code assigned with digit 1 in that position.
Pennsylvania Department of Aging; Pennsylvania Department of Agriculture; Pennsylvania Department of Banking; Pennsylvania Department of Community and Economic Development; Pennsylvania Department of Conservation and Natural Resources. Bureau of Forestry; Bureau of State Parks; Office of Conservation Science. Pennsylvania Natural Heritage Program
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In 1951, the number of area codes grew to ninety: the State of New York gained area code 516 on Long Island, and Southern California received area code 714, to reduce the numbering plan area of Los Angeles. [23] Area code handbook issued by many telephone companies in 1962 to promote the newly introduced direct distance dialing.