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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 , History.
- List of Michigan area codes
List of Michigan area codes. This is a list of telephone...
- List of Michigan area codes
Friday, May 24, 2024. 231 is an area code located in the state of Michigan, US. The largest city it serves is Muskegon. Location, time zone and map of the 231 area code. Local time. 8:15:41 AM, Friday 24, May 2024 EDT. Time difference to GMT/UTC. Daylight Saving Time 2024 (Summer Time) DST starts on Sunday 10 March 2024, 02:00.
221, 222, 223, 224, 226, 227, 231, 232, 233, 236, 237, 238, 243, 244, 245, 248, 249, 273, 275, 276, 278, 282, 746, 764, 776, 797, 953 Querétaro 414, 419, 427, 441, 442, 446, 448, 487
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 is officially in Michigan. Other Michigan Area Codes. 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947, 989. Michigan Area Code Overlays. (248 and 947) Area Code 231 History: 06/05/1999. Area code 231 was officially put into service. Area code 231 was created from a split of area code 616.
231 – Michigan Area Codes. Number structure. List of area codes. Sort by: City. Area Code. 231-223. Traverse City. 231-228. Cedar. 231-237. Charlevoix. 231-238. Indian River. 231-258. Kalkaska. 231-263. Kingsley. 231-264. Elk Rapids. 231-267. Williamsburg. 231-271. Suttons Bay. 231-276. Interlochen. 231-325. Honor. 231-334. Glen Arbor. 231-347.