Phone numbers in Sandusky, Michigan
Sandusky has 10 phone prefixes in area code 810.
Biggest holders: Teleport Communications America, T-Mobile (including Sprint), American Messaging Services. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 20%
- Local phone company 10%
- Internet / business phone carrier 50%
- Paging service 10%
- Phone company 10%
Every prefix in Sandusky
Search the first six digits of a number in this list. If it's here, the number started in Sandusky with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 810-269 | Teleport Communications America | Internet / business phone carrier | – |
| 810-537 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 810-557 | American Messaging Services | Paging service | – |
| 810-583 | Interactive Services Network | Internet / business phone carrier | – |
| 810-592 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 810-648 | AT&T (local phone) | Local phone company | – |
| 810-682 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 810-837 | AT&T Mobility | Mobile carrier | – |
| 810-891 | Onvoy | Internet / business phone carrier | – |
| 810-901 | 123.NET | Phone company | – |
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.