Phone numbers in New Tazewell, Tennessee
New Tazewell has 6 phone prefixes in area code 423.
Biggest holders: Brightspeed Of Eastern Tennessee, UScellular, Charter / Spectrum. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 17%
- Local phone company 50%
- Internet / business phone carrier 33%
Every prefix in New Tazewell
Search the first six digits of a number in this list. If it's here, the number started in New Tazewell with the carrier shown. If it isn't, check the Tennessee page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 423-259 | UScellular | Mobile carrier | 2004 |
| 423-526 | Brightspeed Of Eastern Tennessee | Local phone company | – |
| 423-626 | Brightspeed Of Eastern Tennessee | Local phone company | – |
| 423-731 | Charter / Spectrum | Internet / business phone carrier | 2025 |
| 423-851 | Brightspeed Of Eastern Tennessee | Local phone company | – |
| 423-919 | Onvoy | Internet / business phone carrier | 2019 |
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.