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Area code 401. Area code 401 is the sole telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Rhode Island. 401 is one of the original North American area codes, which were established in 1947. Area code 401 is not projected to exhaust its supply of vacant central office codes until 2053.
easily recognizable code (ERC) 401: Rhode Island (all) 1947: 402: ... Area codes by country, state, province, and regions. Future area codes are in italic type face.
The original configuration of the North American Numbering Plan assigned eighty-six area codes in October 1947, one each to every numbering plan area. The territories of the United States, which included Alaska, and Hawaii, did not receive area codes at first, nor did the territories of Canada or Newfoundland and Labrador, which was a British ...
Coordinates: 42.0°N 98.0°W. Nebraska's numbering plan areas and area codes (blue) Area codes 402 and 531 are telephone area codes in the North American Numbering Plan (NANP) for the eastern part of the U.S. state of Nebraska. Area code 402 was one of the original North American area codes created in 1947, when it was assigned to the entire state.
Coordinates: 35.5°N 97.5°W. Area codes 405 and 572 serve the central part of the U.S. state of Oklahoma. They cover Oklahoma City and most of its suburbs, including Edmond, El Reno, Norman, Stillwater, Shawnee, Chickasha, Tuttle, Moore, and Guthrie . The other three area codes serving Oklahoma are 918 and 539, which cover northeastern ...
This is a list of telephone area codes in the state of Missouri. The area codes are allocated within the North American Numbering Plan (NANP). The two original area codes for Missouri in 1947 were 314 and 816. Area code 417 was split off from 816 in 1950, and the other area codes followed more than 40 years later, due to the proliferation of ...
Area codes 508 and 774. Area codes 508 and 774 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Massachusetts. The numbering plan area comprises south-central and most of southeastern Massachusetts ( LATA 128). It includes Worcester, Outer south and southwest Greater Boston (such as the MetroWest region ...
Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)