Phone numbers in Jacumba, California
Jacumba has 8 phone prefixes in area codes 619, 858.
Biggest holders: Onvoy, Level 3 (Lumen), Tpx Communications. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 12%
- Internet / business phone carrier 75%
- Phone company 12%
Every prefix in Jacumba
Search the first six digits of a number in this list. If it's here, the number started in Jacumba with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 619-202 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 619-350 | Tpx Communications | Internet / business phone carrier | – |
| 619-353 | Onvoy | Internet / business phone carrier | – |
| 619-413 | Onvoy | Internet / business phone carrier | – |
| 619-747 | North County Communication | Phone company | – |
| 619-766 | AT&T (local phone) | Local phone company | – |
| 619-833 | Onvoy | Internet / business phone carrier | 2016 |
| 858-363 | Commio | Internet / business phone carrier | 2022 |
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.