Phone numbers in Oscoda, Michigan
Oscoda has 8 phone prefixes in area code 989.
Biggest holders: AT&T (local phone), Windstream (PAETEC), Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 25%
- Internet / business phone carrier 50%
- Paging service 12%
- Phone company 12%
Every prefix in Oscoda
Search the first six digits of a number in this list. If it's here, the number started in Oscoda with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 989-215 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 989-457 | Onvoy | Internet / business phone carrier | 2021 |
| 989-489 | American Messaging Services | Paging service | – |
| 989-569 | Level 3 (Lumen) | Internet / business phone carrier | 2001 |
| 989-739 | AT&T (local phone) | Local phone company | – |
| 989-747 | AT&T (local phone) | Local phone company | – |
| 989-764 | Interactive Services Network | Internet / business phone carrier | 2001 |
| 989-861 | 123.NET | Phone company | 2002 |
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.