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.
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
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 94. The median household income is $76,399, which is near the national median of $78,538. Approximately 27.1% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is lower than the national average. The poverty rate stands at 9.8%, which is lower than the national rate of 12.4%.
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.
Demographics & Economics
- Total Population
- 889,487
- Population Density
- 1,654 people/sq miabove U.S. average (U.S.: 94 people/sq mi)
- Median Household Income
- $76,399near U.S. median (U.S.: $78,538)
- Poverty Rate
- 9.8%below U.S. average (U.S.: 12.4%)
- Unemployment Rate
- 5.8%above U.S. average (U.S.: 5.2%)
- Education Attainment
- Bachelor's Degree+27.1%below U.S. average (U.S.: 35.0%)High School or Lower32.5%
Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.
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
Time Zone
- Eastern Time (ET)
Current Time
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 586).
| County | Population | Share |
|---|---|---|
| Macomb, MI | 876,405 | 98.5% |
| St. Clair, MI | 13,082 | 1.5% |
Call Context
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.
Frequently Asked Questions
Common questions about area code 586 and how phone numbering works.
Phone numbers assigned to area code 586 are tied to where they were originally provisioned — not the caller's current location. This code serving roughly 889k people covers Warren in MI, so a number originally set up there will retain the 586 prefix even if the owner moves or uses VoIP. As a densely populated metro area, Warren sees high call volume from both local and redirected numbers. Mobile phones keep their original number when users relocate, and businesses often adopt local area codes to establish a regional presence.
Start by looking up the area code on this site to understand its geographic context — area code 586 is associated with Warren in MI. For caller-specific details, use your carrier's caller ID features or check public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register with the National Do Not Call Registry.
Area codes are sometimes "split" when an existing code runs out of available number combinations. In a split, the original territory is divided geographically, with each portion receiving its own area code. This area code was split from area code 810. See our guide on splits and overlays for details.