Phone numbers in Susanville, California
Susanville has 8 phone prefixes in area code 530.
Biggest holders: Frontier, UScellular, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 38%
- Internet / business phone carrier 12%
Every prefix in Susanville
Search the first six digits of a number in this list. If it's here, the number started in Susanville with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 530-249 | Verizon Wireless | Mobile carrier | – |
| 530-250 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 530-251 | Frontier | Local phone company | – |
| 530-252 | Frontier | Local phone company | – |
| 530-257 | Frontier | Local phone company | – |
| 530-260 | UScellular | Mobile carrier | – |
| 530-310 | AT&T Mobility | Mobile carrier | 2001 |
| 530-931 | UScellular | Mobile carrier | – |
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.