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| | Area code 313 - Wikipedia, the free encyclopedia |
 | | Area code 313 is the telephone area code serving the city of Detroit, Michigan, and some of the city's innermost suburbs. |
 | | Later, that area would be subdivided further, into 248, largely serving Oakland County, and 586, covering Macomb County. |
 | | Meanwhile on December 13, 1997, the 313 area also required an additional breakup, creating the new 734 area out of Washtenaw, Monroe, and western Wayne counties. |
| en.wikipedia.org /wiki/Area_code_313 (266 words) |
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