Area codes 304 and 681 are telephone area codes in the North American Numbering Plan (NANP) for the entirety of the U.S. state of West Virginia. The numbering plan area was established in October 1947 with area code 304, as one of the eighty-six original North American area codes. Area code 681 was added to the same area in an overlay plan that took effect on March 28, 2009.
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Areacodes304and681 are telephone areacodes in the North American Numbering Plan (NANP) for the entirety of the U.S. state of West Virginia. The numbering...
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geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan areacodes (NPA codes, or areacodes), consisting of three digits...
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numbering plan area (NPA) for the entire state with one of the original areacodes in October 1947 and it remains Vermont's only areacode. Vermont is among...
American areacodes created by AT&T in 1947, and continues to be the only areacode in North Dakota, one of eleven states with only one areacode. Numbering...
original territory. List of Pennsylvania areacodes "Planning Letter PL-281: Rationing in NPAs 412, 724, and 878 (Pennsylvania)" (PDF). NANPA. 2001-05-14...
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office codes of the other areas, because those were delegated to a new areacode in the process. The existing central office codes in the separated areas are...
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