Area Codes
| 707 | California (North Bay, Vallejo, Santa Rosa, Fort Bragg, Crescent City, Eureka, Ukiah and northwestern California) | More information at: Area Code 707 Phone Number Blocks
| 707 | California (North Bay, Vallejo, Santa Rosa, Fort Bragg, Crescent City, Eureka, Ukiah and northwestern California) | More information at: Area Code 707 Phone Number Blocks