Phone number reference · United States
586 area code
Macomb County in the Detroit metropolitan area.
586 is associated with Macomb County in southeastern Michigan. It is one part of the wider Detroit metropolitan area, which has several other local codes. Businesses serving multiple counties should keep the number and actual service location separate instead of treating 586 as all of Detroit.
Macomb County, Michigan
Geographic code · In service
586 at a glance
- Region
- Macomb County, Michigan
- Time zone
- Eastern Time
- In service since
- 22-Sep-2001
- Overlay arrangement
- No overlay listed
Numbering details checked September 21, 2026 against the NANPA database. See the official area-code maps for boundaries.
Questions about 586
Does 586 cover all of metro Detroit?
No. It is associated with Macomb County. Other Detroit-area communities use different codes, so the customer's city and address are needed to establish coverage.
Is a 586 call safe to answer?
The 586 prefix identifies a numbering region, not a caller's identity or trustworthiness. Verify an unexpected request by contacting the organization through a number you already know.
Can I get a 586 business number?
Search the available numbers in VeraDial. Inventory changes, so a 586 number is not guaranteed. You can also keep your current carrier number and forward voice calls to a VeraDial line; existing texts stay with your carrier.
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