Phone numbers in Bulls Gap, Tennessee
Bulls Gap has 9 phone prefixes in area code 423.
Biggest holders: AT&T (local phone), Verizon Wireless, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 22%
- Local phone company 22%
- Internet / business phone carrier 44%
- Paging service 11%
Every prefix in Bulls Gap
Search the first six digits of a number in this list. If it's here, the number started in Bulls Gap with the carrier shown. If it isn't, check the Tennessee page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 423-235 | AT&T (local phone) | Local phone company | – |
| 423-327 | Verizon Wireless | Mobile carrier | – |
| 423-373 | Onvoy | Internet / business phone carrier | – |
| 423-393 | Charter / Spectrum | Internet / business phone carrier | – |
| 423-409 | Spok | Paging service | – |
| 423-523 | Verizon Wireless | Mobile carrier | 2002 |
| 423-537 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 423-546 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 423-601 | AT&T (local phone) | Local phone company | 2005 |
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.