Area code 586 is the

telephone A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into e ...

area code serving much of

Macomb County, Michigan Macomb County ( ) is a county located in the eastern portion of the U.S. state of Michigan, bordering Lake St. Clair, and is part of northern Metro Detroit. As of the 2020 Census, the population was 881,217, making it the third-most populous c ...

, introduced in 2001 as a split from

area code 810 Area is the quantity that expresses the extent of a region on the plane or on a curved surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while '' surface area'' refers to the area of an open ...

. Its territory was originally part of area code 313.

History

Macomb County was originally served by Detroit's area code 313, one of the original 86 area codes in the

North American Numbering Plan The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

. In 1993,

was

split Split(s) or The Split may refer to: Places * Split, Croatia, the largest coastal city in Croatia * Split Island, Canada, an island in the Hudson Bay * Split Island, Falkland Islands * Split Island, Fiji, better known as Hạfliua Arts, entertai ...

from 313; the service area of 810 initially included all of the former 313 outside of Monroe, Wayne, and Washtenaw counties. In 1997,

Oakland County Oakland County is a county in the U.S. state of Michigan. It is part of the metropolitan Detroit area, located northwest of the city. As of the 2020 Census, its population was 1,274,395, making it the second-most populous county in Michigan, b ...

, bordering Macomb County to the west, was split from area code 810 as

area code 248 Area codes 248 and 947 are area codes in the North American Numbering Plan (NANP) for Oakland County in the U.S. state of Michigan. The area codes also serve portions of Livonia and Northville, both located in Wayne County. The rest of Wayne C ...

. Area code 586 was first proposed as an overlay for the 810 territory, to be implemented in 2000. However, overlays were still a new concept at this time, and met with some resistance due to the need for

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telep ...

. 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 dialing In North America, permissive dialing is the ability to make phone calls in an area subject to a newly introduced area code by using both the new and preexisting dialing methods. When an area is given a new area code under a split plan, the area's ...

of 810 continued until March 23, 2002.

Service area

Area code 586 serves

, including the following communities: *

Armada, Michigan Armada ( ) is a village in Macomb County in the U.S. state of Michigan. The population was 1,730 at the 2010 census. The 2018 Census Bureau Estimate places the population at 1,729. The village is located within Armada Township. It is best kno ...

Center Line, Michigan Center Line is a city in Macomb County in the U.S. state of Michigan, surrounded entirely by the city of Warren. The population was 8,257 at the 2010 census. History Historically, the land that Center Line came to occupy was swamp and wilderne ...

Chesterfield Township, Michigan Chesterfield Charter Township is a charter township of Macomb County in the U.S. state of Michigan. As of the 2000 census, the township population was 37,405. The 2010 Census places the population at 43,381. The township was organized in 1842 ...

Clinton Charter Township, Michigan Clinton Township, officially the Charter Township of Clinton, is a charter township of Macomb County in the U.S. state of Michigan. As of the 2020 census, the township had a total population of 100,513. It ranks as Michigan's most-populated town ...

Eastpointe, Michigan Eastpointe (formerly East Detroit) is a city on the southern edge of Macomb County, Michigan, United States. As of the 2010 census, the city population was 32,442. Eastpointe forms a part of the Metro Detroit area. It borders 8 Mile Road on the ...

Fraser, Michigan Fraser is a city in Macomb County of the U.S. state of Michigan. The population was 14,480 at the 2010 census. The city is part of the Metro Detroit region. History The Village of Fraser was incorporated by an act of the state legislature in ...

Harrison Township, Michigan Harrison Charter Township is a charter township of Macomb County in the U.S. state of Michigan. The population was 24,314 at the 2020 census. Harrison Township was formed in 1827 in the Michigan Territory along the shores of Lake St. Clair. ...

Lenox Township, Michigan Lenox Township is a civil township of Macomb County in the U.S. state of Michigan. As of the 2020 census, the population was 12,119, up from 10,470 in 2010. Geography Lenox Township is in northeastern Macomb County and is bordered to the east by ...

Macomb Township, Michigan Macomb Township is a civil township of Macomb County in the U.S. state of Michigan. The population was 91,663 at the 2020 Census, which makes it the most-populated civil township in the state. It is the third most-populated township overall af ...

Memphis, Michigan Memphis is a city that straddles the border between Macomb and St. Clair counties in the U.S. state of Michigan. The population was 1,183 at the 2010 census. History The first European Americans to settle in the area of Memphis were members of ...

(part by 810) *

Mount Clemens, Michigan Mount Clemens is a city in the U.S. state of Michigan. The population was 16,314 at the 2010 census. It is the seat of government of Macomb County. History Mount Clemens was first surveyed in 1795 after the American Revolutionary War by Christi ...

New Baltimore, Michigan New Baltimore is a city in Macomb County in the U.S. state of Michigan. The population was 12,117 at the 2020 census. New Baltimore is a northern suburb of Metro Detroit and is located along the northern shores of Lake St. Clair. History Ne ...

* New Haven, Michigan *

Ray Township, Michigan Ray Township is a civil township of Macomb County in the U.S. state of Michigan. As of the 2020 census, the township population was 3,780, which makes Ray Township the least populated township in Macomb County. Wolcott Mill Metropark, a park i ...

Richmond, Michigan Richmond is a city within Metro Detroit in the U.S. state of Michigan. The population was 5,735 at the 2010 census. Most of the city is located in Macomb County, though there is a small portion in neighboring St. Clair County. The city is adja ...

Romeo, Michigan Romeo is a village in Macomb County in the U.S. state of Michigan. The population was 3,596 at the 2010 census. The village is situated at the southeast corner of Bruce Township, with a portion extending south into Washington Township. Arma ...

Roseville, Michigan Roseville is a city in Macomb County in the U.S. state of Michigan, and is a part of the Metro Detroit area. The population was 47,299 at the 2010 census. Until 1958, Roseville was a part of Erin Township. History The first permanent post ...

Saint Clair Shores, Michigan St. Clair Shores is a suburban city bordering Lake St. Clair in Macomb County of the U.S. state of Michigan. It forms a part of the Metro Detroit area, and is located about northeast of downtown Detroit. Its population was 59,715 at the 2010 c ...

* Shelby Charter Township, Michigan (very small part by 248) * Sterling Heights, Michigan *

Utica, Michigan Utica is a city in Macomb County in the U.S. state of Michigan. The population was 4,757 at the 2010 census. History The city now known as Utica was platted by Joseph Stead in 1817, who preferred to call it "Harlow." Others referred to the cit ...

Warren, Michigan Warren is a city in Macomb County in the U.S. state of Michigan. The 2020 Census places the city's population at 139,387, making Warren the largest city in Macomb County, the third largest city in Michigan, and Metro Detroit's largest suburb. T ...

Washington Township, Macomb County, Michigan Washington Charter Township, located within Metro Detroit, is a charter township of Macomb County in the U.S. state of Michigan. The population was 25,139 at the 2010 census. Washington Township is bordered by the village of Romeo as well as Ra ...

(part by 248)

References

External links

List of exchanges
from AreaCodeDownload.com

586 __NOTOC__ Year 586 ( DLXXXVI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 586 for this year has been used since the early medieval period, when the Anno Domini calendar ...

Macomb County, Michigan {{Michigan-geo-stub