Phone numbers in Pine Valley, California
Pine Valley has 8 phone prefixes in area codes 619, 858.
Biggest holders: Onvoy, Level 3 (Lumen), AT&T (local phone). This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 12%
- Internet / business phone carrier 88%
Every prefix in Pine Valley
Search the first six digits of a number in this list. If it's here, the number started in Pine Valley with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 619-367 | Onvoy | Internet / business phone carrier | – |
| 619-377 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 619-473 | AT&T (local phone) | Local phone company | – |
| 619-637 | IP Horizon | Internet / business phone carrier | – |
| 619-790 | Bandwidth | Internet / business phone carrier | – |
| 619-842 | Onvoy | Internet / business phone carrier | – |
| 858-787 | TON80 Communications | Internet / business phone carrier | 2022 |
| 858-955 | Fractel | Internet / business phone carrier | 2020 |
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.