| District of California area codes: 707 | |
|---|---|
| Country | United States |
| State/Province | California |
| Major City | Santa Rosa |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 707-374 | Solano | Rio Vista, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca |
| 707-375 | Solano | Rio Vista, CA | Pac - West Telecomm |
| 707-376 | Mendocino | Ukiah, CA | Pac - West Telecomm |
| 707-377 | Sonoma | Bodega Bay, CA | Pac - West Telecomm |
| 707-378 | Solano | Rio Vista, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca |
| 707-379 | Sonoma | Valley Ford, CA | Peerless Network Of California |
| 707-380 | Mendocino | Ukiah, CA | New Cingular Wireless PCS |
| 707-381 | Sonoma | Geyserville, CA | Peerless Network Of California |
| 707-382 | Humboldt | Eureka, CA | Level 3 Communications |
| 707-383 | Humboldt | Garberville, CA | Pac - West Telecomm |
| 707-384 | Solano | Fairfield, CA | Metro PCS |
| 707-385 | Sonoma | Healdsburg, CA | Electric Lightwave DBA Integra Telecom |
| 707-386 | Solano | Fairfield, CA | New Cingular Wireless PCS |
| 707-387 | Sonoma | Santa Rosa, CA | Bandwidth.com Clec |
| 707-388 | Humboldt | Arcata, CA | Onvoy |
| 707-389 | Solano | Fairfield, CA | Sprint Spectrum L.p. |
| 707-390 | Humboldt | Redcrest, CA | Peerless Network Of California |
| 707-391 | Mendocino | Ukiah, CA | New Cingular Wireless PCS |
| 707-392 | Solano | Vacaville, CA | Level 3 Communications |
| 707-393 | Sonoma | Santa Rosa, CA | Pacific Bell |
There are 677 prefixes, In the code area, the major cities are Benicia, CA;Eureka, CA;Fairfield, CA;Napa, CA;Peta. The major city is Santa Rosa.