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The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union . Original North American area codes.
1993: split to create 905. 2001: overlaid by 647. 2013: overlaid by 437. 2025: overlaid by 942. area code 387 is reserved as a fifth code for the region. 417. Missouri ( Springfield, Joplin, Branson, Lamar, Lebanon, and most of southwestern Missouri) 1950. created from parts of the area codes 314 and 816.
Area code 929 became effective on April 16, 2011. This had the effect of assigning 23.4 million numbers to an area of 6.7 million people. As of April 2023, NPA 347/718/929 has a projected exhaustion date of the second quarter of 2027. Area code 917 overlays area codes 718, 347, and 929, as well as area codes 212, 646 and 332 in Manhattan.
All other area codes are in other states. Area codes 702 and 725 are telephone area codes in the North American Numbering Plan (NANP) for Clark County, including Las Vegas, in the U.S. state of Nevada. Area code 702 was one of the original North American area codes established in October 1947, and serviced the entire state of Nevada until 1998 ...
When the original North American area codes were introduced for a nationwide telephone numbering plan in 1947, the entire state was a single numbering plan area (NPA) with area code 305. In 1953, area code 813 was introduced for the western coast of Florida, and 904 was assigned for northern Florida in 1965. In 1988, area code 407 was ...
Area code 479. Coordinates: 35°30′N 94°00′W. Area code 479 is a telephone area code in the North American Numbering Plan (NANP) for thirteen counties in the northwestern part of the U.S. state of Arkansas. The numbering plan area (NPA) includes the cities of Bentonville, Fort Smith, Fayetteville, Rogers, Siloam Springs and Springdale.
Area code 707 is shown in red. Area codes 707 and 369 are telephone area codes in the North American Numbering Plan (NANP) for the northwestern part of the U.S. state of California. The area codes serve part of the northern San Francisco Bay Area, as well as the North Coast. Major cities in the area codes include Napa, Sebastopol, Vallejo ...
Area codes 518 and 838. Area codes 518 and 838 are telephone area codes in the North American Numbering Plan for eastern Upstate New York in the United States. 518 is one of the 86 original North American area codes created in 1947. Area code 838 was added to the 518 numbering plan area in 2017. The two area codes serve 24 counties and 1,200 ...