Phone numbers in Crystal City, Texas
Crystal City has 6 phone prefixes in area code 830.
Biggest holders: AT&T Mobility, Peerless Network Of Texas, AT&T (local phone). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 17%
- Internet / business phone carrier 33%
Every prefix in Crystal City
Search the first six digits of a number in this list. If it's here, the number started in Crystal City with the carrier shown. If it isn't, check the Texas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 830-295 | Peerless Network Of Texas | Internet / business phone carrier | 2002 |
| 830-374 | AT&T (local phone) | Local phone company | – |
| 830-448 | AT&T Mobility | Mobile carrier | 2005 |
| 830-602 | Onvoy | Internet / business phone carrier | 2001 |
| 830-694 | AT&T Mobility | Mobile carrier | 2001 |
| 830-854 | AT&T Mobility | 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.