Phone numbers in Mountville, South Carolina
Mountville has 3 phone prefixes in area code 864.
Biggest holders: T-Mobile (including Sprint), TON80 Communications, Brightspeed Of South Carolina. 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 Mountville
Search the first six digits of a number in this list. If it's here, the number started in Mountville with the carrier shown. If it isn't, check the South Carolina page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 864-341 | T-Mobile (including Sprint) | Mobile carrier | – |
| 864-667 | TON80 Communications | Internet / business phone carrier | 2022 |
| 864-994 | Brightspeed Of South Carolina | Local phone company | – |
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.