Where Is Area Code 707?
Area code 707 is found in the US state of California. Primarily servicing the city of Santa Rosa (population: 213289), area code 707 covers 9 counties of California.
Located in the Pacific time zone, area code 707 is on the same time as Los Angeles, CA.
Area code 707 was brought into effect on January 1, 1959. 707 was split from the parent 415 area code.
Counties in Area Code 707
- Del Norte,
- Humboldt,
- Lake,
- Mendocino,
- Napa,
- Solano,
- Sonoma.
Most Populous Cities in Area Code 707
| City | County | City Population | Time Zone |
|---|---|---|---|
| Santa Rosa | Sonoma | 213,289 | PST |
| Vallejo | Solano | 121,214 | PST |
| Fairfield | Solano | 107,588 | PST |
| Vacaville | Solano | 101,258 | PST |
| Napa | Napa | 95,778 | PST |
| Petaluma | Sonoma | 71,374 | PST |
| Eureka | Humboldt | 48,382 | PST |
| Rohnert Park | Sonoma | 43,879 | PST |
| Sonoma | Sonoma | 35,975 | PST |
| Ukiah | Mendocino | 31,658 | PST |
| Windsor | Sonoma | 29,000 | PST |
| Suisun City | Solano | 28,769 | PST |
| Sebastopol | Sonoma | 28,719 | PST |
| Benicia | Solano | 27,573 | PST |
| Crescent City | Del Norte | 24,253 | PST |
| Dixon | Solano | 20,921 | PST |
| Arcata | Humboldt | 20,229 | PST |
| American Canyon | Napa | 20,050 | PST |
| McKinleyville | Humboldt | 17,458 | PST |
| Healdsburg | Sonoma | 17,128 | PST |
| Clearlake | Lake | 15,420 | PST |
| Fort Bragg | Mendocino | 14,729 | PST |
| Fortuna | Humboldt | 13,677 | PST |
| Willits | Mendocino | 13,201 | PST |
| Lakeport | Lake | 11,137 | PST |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.
This page was last updated on July 3, 2015.