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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.
The need for new phone numbers in area codes 215/267 was delayed until 2018. Area code 445 was activated as an additional overlay code on February 3, 2018. [ 3 ] This had the effect of assigning 23 million telephone numbers to a service territory of four million people, and 215/267/445 is not projected by the NANP to need a fourth area code ...
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.
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. The next new area codes assigned in 1995 (334 in Alabama, and 360 in Washington state) were the first interchangeable area codes.
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.
From PPO to HMO, what's the difference between the 5 most common types of health insurance plans? MB Boucai, Data Work By Dom DiFurio October 23, 2024 at 11:45 AM
Most of those who testified in a public hearing supported an overlay as a cost-effective solution that would have spared customers the expense and burden of changing their numbers. [1] In October 2016, an overlay area code, 223, was approved, to become effective in 2017. [2] Since August 26, 2017, 10-digit dialing is mandatory. [3]
The ten-digit telephone numbers of the North American Numbering Plan consist of a three-digit numbering plan area code (NPA code), written as the most-significant part of the national telephone number, followed by the three-digit central office code, and the four-digit local line or station number.