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Area code 231 includes (but is not limited to) the following communities: In addition, 231 also includes Bois Blanc Township, which is part of the Upper Peninsula. It is the only municipality in the Upper Peninsula that uses 231, while the rest uses 906 .
231 is an area code in Michigan, US, serving Muskegon and other cities and counties. It lies within the Eastern Time zone (ET), with daylight saving time (DST) from March to November.
List of North American Numbering Plan area codes. This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA).
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 231 is a telephone area code in the North American Numbering Plan (NANP) for the northwestern portion of the Lower Peninsula in the U.S. state of Michigan, (en) rdfs:label: Area code 231 (en) owl:sameAs: freebase:Area code 231; yago-res:Area code 231; wikidata:Area code 231; https://global.dbpedia.org/id/4Rvy4; geo:geometry: POINT(-85 ...
List of North American Numbering Plan area codes - Wikipedia. Contents. hide. (Top) Area codes in numerical order. 200–299. 300–399. 400–499. 500–599. 600–699. 700–799. 800–899. 900–999. Area codes by country, state, province, and regions. United States. Canada. Caribbean and Atlantic islands. U.S. Pacific territories. Non-geographic area codes.
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947Area code 231 covers much of northwestern Michigan and was created from a split of area code 616 in 1999. It includes counties and cities such as Antrim, Benzie, Charlevoix, Cheboygan, Emmet, Grand Traverse, Kalkaska, Kent, Lake, Leelanau, Mackinac, Manistee, Mecosta, Missaukee, Montcalm, Muskegon, Newaygo, Oceana, Osceola, Otsego, Wexford, Big Rapids, Cadillac, Ludington, Manistee, Muskegon, Norton Shores, Petoskey, Shelby, and Traverse City.