Phone numbers in Madison, West Virginia
Madison has 4 phone prefixes in area codes 304, 681.
Biggest holders: Fibernet, Frontier, North County Communication. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 25%
- Internet / business phone carrier 25%
- Phone company 50%
Every prefix in Madison
Search the first six digits of a number in this list. If it's here, the number started in Madison with the carrier shown. If it isn't, check the West Virginia page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 304-307 | Fibernet | Internet / business phone carrier | 2004 |
| 304-369 | Frontier | Local phone company | – |
| 304-569 | North County Communication | Phone company | – |
| 681-682 | Wide Voice | Phone company | 2018 |
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.