Phone numbers in Hillsboro, West Virginia
Hillsboro has 3 phone prefixes in area codes 304, 681.
Biggest holders: MCImetro (Verizon Business), Frontier, AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 33%
- Local phone company 33%
- Internet / business phone carrier 33%
Every prefix in Hillsboro
Search the first six digits of a number in this list. If it's here, the number started in Hillsboro with the carrier shown. If it isn't, check the West Virginia page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 304-427 | MCImetro (Verizon Business) | Internet / business phone carrier | 2016 |
| 304-653 | Frontier | Local phone company | – |
| 681-413 | AT&T Mobility | Mobile carrier | 2021 |
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.