Vallejo, California
Pacific Time Zone (UTC-8) · CA · —
About Area Codes in Vallejo, California
Vallejo, California is served by 2 area codes: 707, 369. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Vallejo require 10-digit dialing. The city is in the Pacific time zone (UTC-8).
Other cities in area code 707
Frequently Asked Questions
What area code is Vallejo, California?
Vallejo, California uses area codes 707 and 369.
What time zone is Vallejo in?
Vallejo is in the Pacific time zone (UTC-8).
Do I need to dial 10 digits when calling Vallejo?
Yes, all local calls in Vallejo require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 707 created?
Area code 707 was established in 1959 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 707 with Vallejo?
Other cities sharing area code 707 with Vallejo include American Canyon, Benicia, Dixon, Fairfield, Healdsburg, among others.
Vallejo, CA · Pacific Time Zone