Phone numbers in Carsonville, Michigan
Carsonville has 5 phone prefixes in area code 810.
Biggest holders: Thumb Cellular, Teleport Communications America, AT&T (local phone). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 60%
- Local phone company 20%
- Internet / business phone carrier 20%
Every prefix in Carsonville
Search the first six digits of a number in this list. If it's here, the number started in Carsonville with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 810-404 | Thumb Cellular | Mobile carrier | – |
| 810-414 | Thumb Cellular | Mobile carrier | – |
| 810-544 | Teleport Communications America | Internet / business phone carrier | – |
| 810-657 | AT&T (local phone) | Local phone company | – |
| 810-710 | AT&T Mobility | Mobile carrier | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.