Phone numbers in Irwinton, Georgia
Irwinton has 4 phone prefixes in area code 478.
Biggest holders: Windstream Accucomm Telecommunications, Onvoy, AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 25%
- Local phone company 50%
- Internet / business phone carrier 25%
Every prefix in Irwinton
Search the first six digits of a number in this list. If it's here, the number started in Irwinton with the carrier shown. If it isn't, check the Georgia page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 478-266 | Onvoy | Internet / business phone carrier | 2021 |
| 478-943 | Windstream Accucomm Telecommunications | Local phone company | – |
| 478-946 | Windstream Accucomm Telecommunications | Local phone company | – |
| 478-979 | 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.