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This is a list of telephone area codes in the U.S. state of Michigan: 231 – Northwestern Lower Michigan : Traverse City, Ludington, Muskegon, Petoskey, Big Rapids and Cheboygan 248 – Northern Metro Detroit : All of Oakland County, Northville, and most of Northville Township; overlays with area code 947
Area code 679 has been reserved as a future overlay for the 313 territory. [2] [3] In February 2000, the area code was assigned as a second area code in the county of Wayne in the southeastern part of the U.S. state of Michigan. [4] However, the relief schedule was cancelled in April 2000, and the implementation of the overlay was suspended. [5]
The rest of Wayne County, including Detroit, located to the southeast, is serviced by area codes 313 and 734. Area code 248 was created in 1997 as a split from area code 810. In 2000, area code 947 was assigned as a relief area code for the area. [1] In 2001, it was approved as an all-services overlay plan in the 248 numbering plan area, [2 ...
Area code 810 was split off from area code 313 on December 1, 1993, with a permissive dialing period that ended on August 10, 1994. [1] The initial numbering plan area included the counties of Oakland, Macomb, Genesee, Lapeer, St. Clair, and Sanilac as well as small sections of Saginaw, Shiawassee, Livingston, Washtenaw, and Wayne counties north of Detroit.
Metro Detroit is served by nine telephone area codes (six not including Windsor). The 313 area code, which used to encompass all of Southeast Michigan, is today confined exclusively to the City of Detroit and several neighboring Wayne County suburbs. The 248 area code along with the newer 947 area code overlay mostly serve Oakland County.
List of Michigan area codes; 0–9. Area code 231; Area codes 248 and 947; Area code 269; Area code 313; Area code 517; Area code 586; Area code 616; Area code 734 ...
Area code 586 is the telephone area code serving much of Macomb County, Michigan, introduced in 2001 as a split from area code 810. Its territory was originally part of area code 313 . History
The original North American area codes were established by the American Telephone and Telegraph ... (Chicago metropolitan area) 313: US:MI: ... in Detroit (313), ...