Phone numbers in Gregory, Michigan
Gregory has 7 phone prefixes in area code 734.
Biggest holders: Interactive Services Network, Teleport Communications America, Windstream (PAETEC). This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 14%
- Internet / business phone carrier 86%
Every prefix in Gregory
Search the first six digits of a number in this list. If it's here, the number started in Gregory with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 734-314 | Interactive Services Network | Internet / business phone carrier | – |
| 734-375 | Teleport Communications America | Internet / business phone carrier | – |
| 734-382 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 734-498 | Frontier | Local phone company | – |
| 734-553 | Interactive Services Network | Internet / business phone carrier | – |
| 734-584 | Onvoy | Internet / business phone carrier | 2021 |
| 734-683 | TON80 Communications | Internet / business phone carrier | 2022 |
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.