Phone numbers in Oldtown, North Carolina
Oldtown has 6 phone prefixes in area codes 336, 743.
Biggest holders: Windstream North Carolina, Level 3 (Lumen), Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 67%
- Internet / business phone carrier 33%
Every prefix in Oldtown
Search the first six digits of a number in this list. If it's here, the number started in Oldtown with the carrier shown. If it isn't, check the North Carolina page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 336-600 | Level 3 (Lumen) | Internet / business phone carrier | 2010 |
| 336-815 | Windstream North Carolina | Local phone company | 2011 |
| 336-922 | Windstream North Carolina | Local phone company | – |
| 336-923 | Windstream North Carolina | Local phone company | – |
| 336-924 | Windstream North Carolina | Local phone company | – |
| 743-334 | Onvoy | Internet / business phone carrier | 2023 |
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.