Area code
Area code 586 — Mount Clemens, MI
Michigan · in service since September 22, 2001
Area code 586 covers parts of Michigan; the place with the most of its prefixes is Mount Clemens. It was created from area code 810 on September 22, 2001 and no other code overlays it.
Local time in Mount Clemens
Spam reports from Sep 23 – Oct 22, 2026
Average #263 of 461 codes
332 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls7 digits
- Prefixes570 assigned
- Runs out~1Q 2082
- Unwanted call?Block & report
Spam call reports about 586 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 14 |
| Sep 14 | 60 |
| Sep 21 | 82 |
| Sep 28 | 52 |
| Oct 5 | 81 |
| Oct 12 | 62 |
| Oct 19 (4 days) | 91 |
Compared with all codes
- Robocalls
- 74%all codes 75%
- Callers with the same code
- 52%all codes 35%
- Rank by complaints
- #263of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 7037 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 73 17% | |
| Medical & prescriptions | 52 12% | |
| Calls pretending to be government, businesses, or family and friends | 34 8% | |
| Dropped call or no message | 12 3% | |
| Warranties & protection plans | 6 1% | |
| Home improvement & cleaning | 5 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Michigan | 288 65% | |
| Florida | 18 4% | |
| Texas | 13 3% | |
| California | 12 3% | |
| North Carolina | 9 2% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 586 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| MT CLEMENS | Mount Clemens | Macomb County | 190 |
| WARREN | Warren | Macomb County | 132 |
| ROSEVILLE | Roseville | Macomb County | 73 |
| CENTERLINE | Center Line | Macomb County | 43 |
| UTICA | Utica | Macomb County | 32 |
| ROMEO | Romeo | Macomb County | 21 |
| WASHINGTON | — | — | 13 |
| ARMADA | Armada | Macomb County | 12 |
| NEW HAVEN | New Haven | Macomb County | 11 |
| NEWBALTIMR | New Baltimore | Macomb County | 11 |
Plus 1 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
Is 586 running out of numbers?
Previous forecast (October 2025): 2075, moved later by 7 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 586 prefixes
The five largest of 32 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Verizon Wireless | 132 23% | |
| Michigan Bell Tel Co. | 100 18% | |
| New Cingular Wireless PCS, LLC | 60 11% | |
| Omnipoint Communications Midwest Operations, LLC | 43 8% | |
| American Messaging Services, LLC | 27 5% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 586
What area code is 586?
A Michigan area code, in service since September 22, 2001.
Where is 586 area code, and what time zone is it in?
Mount Clemens, MI; Eastern Time.
Why am I getting spam calls from 586?
332 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 586 get a new area code?
NANPA forecasts exhaust in 1Q 2082; no relief planning listed.