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Original numbering plan areas and area codes of Minnesota in 1952. When the American Telephone and Telegraph Company (AT&T) created the first nationwide telephone numbering plan for Operator Toll Dialing in 1947 to automate and speed the connection of long-distance calls, the United States and Canada were divided into 86 geographic numbering plan areas (NPAs) and assigned the original North ...
Minnesota (Duluth, Moorhead, Thief River Falls, Bemidji, Brainerd, International Falls, and most of northern Minnesota) 1947: 1954: split to create 507; 219: Indiana (Gary area) 1948: split of 317; 2002: split to create 260 and 574; 220: Ohio (suburban Columbus, central Ohio outside of Franklin County) April 22, 2015: overlaid on area code 740; 221
Area code 600 has a capacity of 798 central office prefixes (200 to 999, with 555 and 911 not issued). Six relief area codes (622, 633, 644, 655, 677 and 688) are reserved by NANPA as subject to assignment in Canada for expansion of non-geographic services [5] but have never been used. Area code 666 is not assigned.
A map of Minnesota area codes. Area code 218 is a telephone area code in the North American Numbering Plan (NANP) for the northern part of the U.S. state of Minnesota.It is assigned to the largest of Minnesota's original two numbering plan areas (NPAs), although its geographical boundaries have been modified since inception.
A map of Minnesota area codes. Area code 952 is the telephone area code in the North American Numbering Plan (NANP) for the southwestern suburbs of Minneapolis-St. Paul in the U.S. state of Minnesota. The numbering plan area (NPA) includes cities such as Bloomington, Eden Prairie, Edina and Minnetonka.
Area code 612 is a telephone area code in the North American Numbering Plan (NANP) in the U.S. state of Minnesota. The numbering plan area comprises the city of Minneapolis and a few surrounding municipalities such as Fort Snelling, St. Anthony, and Richfield. Geographically, it is the smallest area code in the state of Minnesota.
Minnesota was divided into a south-eastern area including the Twin Cities with area code 612 and the rest of the state in the south-west and north with area code 218. [2] In 1954, the southern half of 612 was designated a separate numbering plan area with area code 507 as the third area code for the state, while 612 was rotated out to cover ...
The trunk prefix for dialing long-distance calls, across numbering plan area (NPA) boundaries within Canada or to other NANP countries, is also 1. Local calls from Canadian landlines are dialled without the trunk prefix. Overseas calls to locations outside the NANP are dialled with the 011 international prefix, followed by the country code and ...