Area codes 419 and 567 are telephone area codes in the North American Numbering Plan (NANP) for the northwestern part of the U.S. state of Ohio. The largest...

state: 216, 419, 513, and 614. In 1996, 330 and 937 were added by splitting existing NPAs. In 1997, 440 and 740 were added in additional area code splits....

geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits...

within the same area, the area code is not required. In general, shorter area codes are assigned to larger cities, and longer area codes to smaller towns...

Area codes 330 and 234 are telephone area codes in the North American Numbering Plan (NANP) for a part of northeast Ohio. The numbering plan area (NPA)...

Valley and the lower Fraser Canyon regions. The major city is Vancouver. The area code is one of the nine original North American area codes assigned...

This area had been historically served by area code 313, which today only applies to Detroit and its closest suburbs. List of Michigan area codes Map of...

Area codes 519, 226, 548, and 382 are overlay telephone area codes in the North American Numbering Plan (NANP) for most of southwestern Ontario. Area...

and toll call routing system. Indiana was divided to receive two area codes. Area code 317 served the northern two-thirds of Indiana, while area code...

Cuyahoga County of the U.S. state of Ohio. The area code is one of the original North American area codes established in 1947. The first nationwide telephone...

maintains a list of U.S. state and country codes, named World Area Codes (WAC). "BTS Aviation Support Tables: World Area Codes (WAC)". http://www.transtats...

Area code 781 and 339 are telephone area codes in the North American Numbering Plan for the U.S. state of Massachusetts. The numbering plan area consists...

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. In...

Area codes 614 and 380 are telephone area codes in the North American Numbering Plan (NANP) for all or part of four counties in central Ohio, surrounding...

American area codes created by AT&T in 1947, and continues to be the only area code in North Dakota, one of eleven states with only one area code. Numbering...

became area code 989. Until then, despite the presence of Lansing and the Tri-Cities, 517 had been the only one of Michigan's original three area codes to...

Delaware. It is Delaware's only area code, and was assigned in 1947 as one of the original North American area codes. Despite the rapid growth in telecommunication...

Area codes 613, 343, and 753 are telephone area codes in the North American Numbering Plan (NANP) for Ottawa and surrounding Eastern Ontario, Canada. Area...

Area codes 440 and 436 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Ohio, serving the parts of the Greater...

Area code 859 is a telephone area code in the North American Numbering Plan (NANP) for the city of Lexington and the central portion of the Commonwealth...

Area codes 905, 289, 365, and 742 are telephone area codes in the North American Numbering Plan (NANP) for the Golden Horseshoe region that surrounds Lake...

area codes in 1947. The numbering plan area retains its original boundaries, having never been split or overlaid. As of April 2020[update], area code...

Area codes 705, 249, and 683 are telephone area codes in the North American Numbering Plan (NANP) for most of northeastern and central Ontario in Canada...

Area codes 778, 236, and 672 are telephone area codes in the North American Numbering Plan (NANP) for the Canadian province of British Columbia. They...

Area codes 740 and 220 are telephone area codes in the North American Numbering Plan (NANP) for the southeastern and central parts of Ohio. The numbering...

Area codes 208 and 986 are telephone area codes in the North American Numbering Plan for all of Idaho. Area code 208 is one of the 86 original area codes...

Area codes 937 and 326 are telephone area codes in the North American Numbering Plan (NANP) assigned to a numbering plan area (NPA) that encompasses much...

Area codes 541 and 458 are telephone area codes in the North American Numbering Plan (NANP) for most of the U.S. state of Oregon, excluding only the northwestern...

Calgary area. This numbering plan area is also served by area codes 587, 825, and 368, which form a complex overlay for all of Alberta. Area code 403 was...

including Ashland and Richland counties, and parts of Huron, Wayne, and Erie counties, are assigned area codes 419 and 567. In 1997, area code 216 was further...