Phone numbers in Temscl Cny, California
Temscl Cny has 14 phone prefixes in area code 951.
Biggest holders: Verizon Wireless, T-Mobile (including Sprint), Level 3 (Lumen). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 7%
- Internet / business phone carrier 43%
Every prefix in Temscl Cny
Search the first six digits of a number in this list. If it's here, the number started in Temscl Cny with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 951-277 | AT&T (local phone) | Local phone company | – |
| 951-338 | Level 3 (Lumen) | Internet / business phone carrier | 2012 |
| 951-382 | Bandwidth | Internet / business phone carrier | – |
| 951-433 | Verizon Wireless | Mobile carrier | 2015 |
| 951-519 | T-Mobile (including Sprint) | Mobile carrier | 2020 |
| 951-546 | Verizon Wireless | Mobile carrier | 2020 |
| 951-557 | T-Mobile (including Sprint) | Mobile carrier | 2020 |
| 951-561 | Verizon Wireless | Mobile carrier | – |
| 951-603 | IP Horizon | Internet / business phone carrier | – |
| 951-638 | Level 3 (Lumen) | Internet / business phone carrier | 2004 |
| 951-646 | Commio | Internet / business phone carrier | 2023 |
| 951-667 | T-Mobile (including Sprint) | Mobile carrier | – |
| 951-716 | Verizon Wireless | Mobile carrier | 2023 |
| 951-855 | Fractel | Internet / business phone carrier | 2019 |
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.