Phone numbers in Centerville, Ohio
Centerville has 9 phone prefixes in area codes 326, 740, 937.
Biggest holders: Onvoy, AT&T (local phone), Fractel. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 44%
- Internet / business phone carrier 56%
Every prefix in Centerville
Search the first six digits of a number in this list. If it's here, the number started in Centerville with the carrier shown. If it isn't, check the Ohio page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 326-223 | Onvoy | Internet / business phone carrier | 2024 |
| 326-529 | Fractel | Internet / business phone carrier | 2021 |
| 740-686 | Windstream Western Reserve | Local phone company | – |
| 740-980 | Onvoy | Internet / business phone carrier | – |
| 937-350 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 937-619 | Cincinnati Bell Extended Territories | Local phone company | 2002 |
| 937-885 | AT&T (local phone) | Local phone company | – |
| 937-886 | AT&T (local phone) | Local phone company | – |
| 937-907 | Bandwidth | Internet / business phone carrier | 2014 |
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.