Area Code 707: Benicia, Napa & Northern California Phone Number Guide
Explore Area Code 707: NANP region in Northern California. Covers Sonoma, Napa, Humboldt, Solano, Mendocino & Lake counties. Established in 1959, regulated by CPUC. Dialing requires 1+10 digits. Includes Benicia, Vallejo, Santa Rosa, Eureka. Overlay 369 added in 2023. Learn about telecom services.
Frequently Asked Questions
What counties are covered by area code 707?
How do I dial a 707 number from another area code?
What is the area code overlay for 707?
When was area code 707 created and why?
How can I find more information about 707 area code regulations?
What major cell phone carriers serve the 707 area code?
Where is Benicia located, and what is its area code?
Why does the 707 area code require 10-digit dialing?
What are some popular tourist attractions in the 707 area code?
What is the role of the CPUC in relation to area code 707?
