Phone numbers in Martinsville, Virginia
Martinsville has 20 phone prefixes in area code 276.
Biggest holders: Brightspeed Of Virginia, T-Mobile (including Sprint), Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Local phone company 35%
- Internet / business phone carrier 15%
- Phone company 10%
Every prefix in Martinsville
Search the first six digits of a number in this list. If it's here, the number started in Martinsville with the carrier shown. If it isn't, check the Virginia page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 276-201 | Comcast | Internet / business phone carrier | – |
| 276-224 | Gcr Telecommunications | Phone company | 2003 |
| 276-226 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 276-252 | AT&T Mobility | Mobile carrier | – |
| 276-336 | T-Mobile (including Sprint) | Mobile carrier | 2003 |
| 276-403 | Verizon Wireless | Mobile carrier | 2002 |
| 276-618 | T-Mobile (including Sprint) | Mobile carrier | – |
| 276-632 | Brightspeed Of Virginia | Local phone company | – |
| 276-634 | Brightspeed Of Virginia | Local phone company | – |
| 276-638 | Brightspeed Of Virginia | Local phone company | – |
| 276-656 | Brightspeed Of Virginia | Local phone company | – |
| 276-666 | Brightspeed Of Virginia | Local phone company | – |
| 276-670 | Brightspeed Of Virginia | Local phone company | – |
| 276-732 | Verizon Wireless | Mobile carrier | – |
| 276-734 | Verizon Wireless | Mobile carrier | – |
| 276-788 | Fractel | Internet / business phone carrier | 2020 |
| 276-790 | Brightspeed Of Virginia | Local phone company | 2001 |
| 276-806 | T-Mobile (including Sprint) | Mobile carrier | – |
| 276-867 | Commio | Internet / business phone carrier | 2023 |
| 276-968 | Coretel Virginia | Phone company | 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.