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Area code 586

Area code 586 Mount Clemens, Michigan

Area code 586 is in Michigan, with numbers assigned in Mount Clemens, Warren, Roseville and 7 more places. It’s 12:10 AM there now.

State
Michigan13 area codes in Michigan
Time zone
Eastern12:10 AM there now
Exchanges
54610 places
Overlay
NoneThe only code for its area
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Where area code 586 is

Numbers in 586 are assigned to 10 places in 2 counties: Macomb County and St. Clair County.

Mount Clemens has the most, 35% of the exchanges; the rest are spread across 9 other places.

  • Mount Clemens190
  • Warren132
  • Roseville73
  • Center Line43
  • Utica32
  • Romeo21
  • Armada12
  • New Baltimore11
  • New Haven11
  • Richmond8

Phone companies in 586

546 blocks of numbers in 586 are held by 29 phone companies. The most belong to Verizon Wireless (132), AT&T (100) and T-Mobile (66).

A mix: about 47% wireless, 21% local phone and cable and 32% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

586 went into service in 2001, added to the area of 810.

36 new exchanges were assigned since 2021, the latest in July 2026.

Calling 586

It’s 12:10 AM Eastern time in 586 right now.

From elsewhere in the U.S., dial 1, 586 and the 7-digit number.

Nearby area codes

Michigan has 13 area codes: 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947 and 989.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 586 area code

Map of the 586 area code around Mount Clemens, Warren and Roseville, Michigan.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 586

Where is area code 586?

In Michigan, covering Mount Clemens, Warren and Roseville and other places across 2 counties.

What time zone is 586 in?

Eastern time. It was 12:10 AM there when this page loaded.

Is 586 an overlay?

No. 586 is the only area code for its area right now.

Which phone companies have 586 numbers?

29 companies hold blocks; the most belong to Verizon Wireless, AT&T and T-Mobile. About 47% of blocks are wireless.

Is 586 running out of numbers?

Not on record. 36 new exchanges have been assigned since 2021.