Phone numbers in Lake Hughes, California
Lake Hughes has 7 phone prefixes in area code 661.
Biggest holders: Level 3 (Lumen), IP Horizon, Utility Telecom Group. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 14%
- Internet / business phone carrier 71%
- Phone company 14%
Every prefix in Lake Hughes
Search the first six digits of a number in this list. If it's here, the number started in Lake Hughes with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 661-262 | IP Horizon | Internet / business phone carrier | – |
| 661-306 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 661-338 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 661-351 | Utility Telecom Group | Phone company | – |
| 661-464 | Onvoy | Internet / business phone carrier | – |
| 661-639 | TON80 Communications | Internet / business phone carrier | 2022 |
| 661-724 | 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.