Area Code 707 at a Glance
| Area code | 707 |
| Region | California |
| Country | United States |
| Primary timezone | America/Los_Angeles |
| Dialing format | +1 (707) NXX-XXXX |
Cities and Places Using Area Code 707
Based on prefix-level carrier data, area code 707 covers places including:
- Santa Rosa, CA
- Petaluma, CA
- Vacaville, CA
- Eureka, CA
- Fairfield, CA
- Napa, CA
- Benicia, CA
- Sonoma, CA
- Ukiah, CA
- Rohnert Park, CA
- Arcata, CA
- Saint Helena, CA
Frequently Asked Questions
Where is area code 707?
Area code 707 serves California, United States.
Who is calling me from area code 707?
A call from area code 707 most likely originates from California, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 707 number?
Within North America: dial 1-707 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 707 and the number.