707 Area Code
Northern California (Wine Country), California
Area code 707 is located in Northern California (Wine Country), California. It covers Santa Rosa, Napa, and surrounding areas in the Pacific time zone (UTC-8). Administered by NANPA.
Where is area code 707?
Area code 707 is located in Northern California (Wine Country), California. It covers Santa Rosa, Napa, and surrounding areas in the Pacific time zone (UTC-8).
Cities Covered by Area Code 707
Area code 707 primarily serves the Northern California (Wine Country) area of California. The exact coverage includes Santa Rosa, Napa, and Vallejo, along with surrounding communities and suburbs.
Time Zone
Pacific Time — UTC-8
Area code 707 operates in the Pacific Time Zone. When calling 707 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 707
Area code 707 was introduced in 1984 as a geographic area code serving Northern California (Wine Country), California. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.