Area code 586is thetelephonearea codeserving much ofMacomb County, Michigan,introduced in 2001 as a split fromarea code 810.Its territory was originally part ofarea code 313.

Map highlighting area code 586 in Michigan

History

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Macomb County was originally served by Detroit'sarea code 313,one of theoriginal 86 area codesin theNorth American Numbering Plan.In 1993,area code 810wassplitfrom 313; the service area of 810 initially included all of the former 313 outside ofMonroe,Wayne,andWashtenawcounties.

In 1997,Oakland County,bordering Macomb County to the west, was split from area code 810 asarea code 248.Area code 586 was first proposed as anoverlayfor the 810 territory, to be implemented in 2000.[1]However, overlays were still a new concept at this time, and met with some resistance due to the need forten-digit dialing.In the face of intense opposition to the overlay proposal, 586 was instead implemented as a split, with most of Macomb County getting the new area code. The area code was introduced on September 22, 2001.Permissive dialingof 810 continued until March 23, 2002.[2]

Service area

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Area code 586 servesMacomb County, Michigan,including the following communities:

References

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  1. ^"New area codes may ring in confusion".Crain's Detroit Business.2000-11-20.Retrieved2019-04-24.
  2. ^"AT&T - Help - Future Area Code Changes - IL, IN, MI, OH".www.att.com.Archivedfrom the original on 2019-04-24.Retrieved2019-04-24.
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Michiganarea codes:231,248/947,269,313,517,586,616,734,810,906,989
North:810
West:248/947 586 East:810,519/226/548/382
South:313
Ontarioarea codes:416/437/647,519/226/548/382,613/343/753,705/249/683,807,905/289/365/742

42°36′N83°00′W/ 42.6°N 83.0°W/42.6; -83.0