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The area code was one of the original North American area codes created in 1947, when it was assigned to the entire southwestern corner of the state. [1] On August 17, 2001, the numbering plan area was converted to an overlay complex with area code 878 , which also forms an overlay with area code 724 , in the surroundings of the 412 service area.
This is a list of telephone area codes of Pennsylvania. ... 412 [a] [b] 878: Pittsburgh and its immediately surrounding areas in Allegheny County: 445: 215 [b], 267: 484:
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.
It was created in an area code split of area code 412 on February 1, 1998, which made the 412 numbering plan area (NPA) an enclave for the city, with 724 surrounding 412. In 2001, area codes 412 and 724 were overlaid with area code 878 , so that the entire southwestern corner of Pennsylvania is served by area code 878.
Numbering plan areas and area codes since May 2001 September 1997 [1] – May 2001 [2] July 1988 [3] – September 1997 [4] [5] October 1947 – July 1988 [6]. Massachusetts is divided into five distinct numbering plan areas (NPAs), which are served by nine area codes in the North American Numbering Plan (NANP), [7] organized as four overlay complexes and a single-area code NPA.
Area code: 412: FIPS code: 42-83200: Website: westhomesteadpa.com: West Homestead is a borough in Allegheny County, Pennsylvania, United States, 8 miles (13 km ...
Now, using a text editor, for each file, you only have to edit one lineto change the CSS color for that individual Pennsylvania area code region, then save each specific map under the following names: file:Area code 215.svg, file:Area code 412.svg, file:Area code 484.svg, file:Area code 570.svg, file:Area code 717.svg, file:Area code 724.svg ...
The U.S. state of Washington has six telephone area codes. The state initially used a single area code until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington. In 1995, 206 was split again to serve just the Puget Sound region after area code 360 was created for the remainder of Western Washington.