Phone numbers in El Campo, Texas
El Campo has 14 phone prefixes in area code 979.
Biggest holders: AT&T (local phone), T-Mobile (including Sprint), AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 29%
- Local phone company 29%
- Internet / business phone carrier 36%
- Phone company 7%
Every prefix in El Campo
Search the first six digits of a number in this list. If it's here, the number started in El Campo with the carrier shown. If it isn't, check the Texas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 979-257 | T-Mobile (including Sprint) | Mobile carrier | 2002 |
| 979-275 | Yk Communications | Phone company | 2016 |
| 979-320 | Onvoy | Internet / business phone carrier | – |
| 979-332 | AT&T Mobility | Mobile carrier | – |
| 979-475 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 979-534 | AT&T (local phone) | Local phone company | – |
| 979-541 | AT&T (local phone) | Local phone company | – |
| 979-543 | AT&T (local phone) | Local phone company | – |
| 979-578 | AT&T (local phone) | Local phone company | – |
| 979-607 | Peerless Network Of Texas | Internet / business phone carrier | 2004 |
| 979-616 | AT&T Mobility | Mobile carrier | – |
| 979-617 | IP Horizon | Internet / business phone carrier | 2025 |
| 979-635 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 979-637 | T-Mobile (including Sprint) | Mobile carrier | – |
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.