Phone numbers in Patterson, California
Patterson has 5 phone prefixes in area codes 209, 350.
Biggest holders: Global Valley Networks, Level 3 (Lumen), Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Internet / business phone carrier 40%
- Phone company 60%
Every prefix in Patterson
Search the first six digits of a number in this list. If it's here, the number started in Patterson with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 209-695 | Level 3 (Lumen) | Internet / business phone carrier | 2018 |
| 209-892 | Global Valley Networks | Phone company | – |
| 209-894 | Global Valley Networks | Phone company | – |
| 209-895 | Global Valley Networks | Phone company | – |
| 350-237 | Onvoy | Internet / business phone carrier | 2025 |
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.