Area Code 586

Michigan

Area code 586 serves Michigan, primarily Warren, in the Eastern Time (ET) time zone. It was created from a split of area code 810.

Published:

Split Area Code

This area code was created by splitting an existing area code into separate geographic regions. When a split occurs, some customers in the original area code region are assigned the new area code.

This area code was split from area code 810 (Flint).

In service since: 22-Sep-2001

Learn more about overlay and split area codes →

Demographics & Economics

Total Population
889,487
Population Density
1,654 people/sq mi
above U.S. average (U.S.: 93 people/sq mi)
Median Household Income
$76,399
near U.S. median (U.S.: $75,144)
Poverty Rate
9.8%
below U.S. average (U.S.: 11.5%)
Unemployment Rate
5.8%
above U.S. average (U.S.: 3.6%)
Education Attainment
Bachelor's Degree+
27.1%
below U.S. average (U.S.: 33.7%)
High School or Lower
32.5%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the income ranking and density ranking.

Time Zone

  • Eastern Time (ET)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Eastern Time (ET)
 
 

Prefix Utilization

Geographic Coverage

State

MI

Major Cities

  • Warren
  • Sterling Heights
  • St. Clair Shores
  • Roseville
  • Eastpointe
  • Mount Clemens
  • Fraser
  • New Baltimore
  • Center Line
  • New Haven
  • Richmond
  • Utica
  • Romeo
  • Clinton
  • Shelby
  • Armada
  • Saint Clair Shores
Area Code 586 geographic coverage map (light mode)

Demographics

The estimated population served by area code 586 is approximately 889,487. The population density is 1,654 people per square mile, which is higher than the national average of 93. The median household income is $76,399, which is near the national median of $75,144. Approximately 27.1% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 9.8%, which is lower than the national rate of 11.5%.

History

Area code 586 was created from a split of area code 810. It was introduced in 2001 as part of a geographic division to provide additional numbering resources.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 586).

CountyPopulationShare
Macomb, MI876,40598.5%
St. Clair, MI13,0821.5%

Area Code 586 Family Tree

View All Trees

Hover over nodes to see details. Click to navigate to individual area code pages. Use scroll to zoom, drag to pan.

313313679734810248586947
1
Total Codes
0
Splits
0
Overlays
0
Max Depth

Area code 586 was originally assigned in 22-Sep-2001 to serve MI.

Call Context

High-density metropolitan area

This area code serves a major metropolitan region with high population density in MI. The primary city is Warren.

Nearby Area Codes

Area codes geographically closest to 586.

Other Area Codes in Michigan

Area codes that also serve Michigan, linked for easy comparison.