Area codes 920 and 274 are telephone area codes in the North American Numbering Plan (NANP) for a large area of eastern Wisconsin. Area code 920 was created...

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...

Wyoming. It is one of the 86 original North American area codes created by the American Telephone and Telegraph Company (AT&T) in 1947. Because it is sparsely...

area code was created in October 1947, along with area code 715, as one of the two original area codes assigned to Wisconsin. The numbering plan area...

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 778, 236, 672, and 257 are telephone overlay area codes in the North American Numbering Plan (NANP) for the Canadian province of British Columbia...

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 code is one of the nine original North American area codes assigned to Canada in 1947. The numbering plan area is also served by area codes 236,...

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...

Area codes 815 and 779 are telephone area codes in the North American Numbering Plan (NANP) for most of northern Illinois outside the Quad Cities areas...

Area codes 819, 873, and 468 are overlay telephone area codes in the North American Numbering Plan (NANP) for central and western Quebec, Canada, including...

designated a new numbering plan area (NPA) with area code 920 in 1997, to provide more telephone numbers in the densest populated area of Milwaukee County. Although...

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...

Area codes 587, 825, and 368 are telephone area codes in the North American Numbering Plan (NANP) for the entire Canadian province of Alberta. They form...

country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean...

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...

Area codes 450, 579, and 354 are telephone area codes in the North American Numbering Plan in the Canadian province of Quebec, encompassing the off-island...

distinct numbering plan areas (NPAs) with the following area codes of the North American Numbering Plan (NANP). Area codes 414 and 715 were among the original...

area code boundaries were redrawn in 1954 to avoid cutting across major toll traffic routes out of the Twin Cities. This resulted in three area codes...

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 507 and 924 are telephone area codes in the North American Numbering Plan for the southern fifth of Minnesota, including cities such as Rochester...

Waukon, West Union, Wilton, Worthington, Wadena List of Iowa area codes "Area Code Maps". NANPA. List of exchanges from AreaCodeDownload.com, 563 Area Code...

of the original North American area codes in 1947. The numbering plan area is also served by area codes 587, 825, and 368, which form a complex overlay...

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 608 and 353 are telephone area codes in the North American Numbering Plan for much of southwestern Wisconsin, including the state capital city...

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...

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...

Area codes 902 and 782 are telephone area codes in the North American Numbering Plan (NANP) for the Canadian provinces of Nova Scotia and Prince Edward...

Area code 605 is the telephone area code in the North American Numbering Plan for the entire U.S. state of South Dakota. The numbering plan area was designated...

Springs Telephone Company and Northern Telephone Cooperative). Sufficient available codes for new exchanges in the 406 area code exist to meet anticipated...