Phone numbers in Gilmer, Texas
Gilmer has 6 phone prefixes in area codes 430, 903.
Biggest holders: Frontier, Onvoy, Commio. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 17%
- Local phone company 33%
- Internet / business phone carrier 33%
- Phone company 17%
Every prefix in Gilmer
Search the first six digits of a number in this list. If it's here, the number started in Gilmer with the carrier shown. If it isn't, check the Texas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 430-314 | Onvoy | Internet / business phone carrier | 2021 |
| 430-329 | Commio | Internet / business phone carrier | 2023 |
| 903-402 | Verizon Wireless | Mobile carrier | 2010 |
| 903-680 | Etex Telecom | Phone company | 2001 |
| 903-841 | Frontier | Local phone company | – |
| 903-843 | Frontier | 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.