Phone numbers in Cisco, Texas
Cisco has 5 phone prefixes in area code 254.
Biggest holders: Shelcomm, AT&T (local phone), Csc Voice. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 20%
- Internet / business phone carrier 40%
- Phone company 40%
Every prefix in Cisco
Search the first six digits of a number in this list. If it's here, the number started in Cisco with the carrier shown. If it isn't, check the Texas page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 254-367 | Shelcomm | Phone company | 2019 |
| 254-442 | AT&T (local phone) | Local phone company | – |
| 254-469 | Csc Voice | Internet / business phone carrier | 2024 |
| 254-735 | AT&T Enterprises | Phone company | 2012 |
| 254-852 | Onvoy | Internet / business phone carrier | 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.