santa rosa, California

Where Is Area Code 627?

Area code 627 is not an active California area code for Santa Rosa. Santa Rosa is in Sonoma County, in Northern California, and it uses area codes 707 and 369.

Santa Rosa sits about 55 miles north of San Francisco in the North Bay region. The broader 707 and 369 service area covers cities and communities such as Santa Rosa, Napa, Vallejo, Fairfield, Vacaville, and Eureka, along with much of Sonoma County, Napa County, Solano County, and parts of far Northern California.

This region includes well-known places such as Sonoma Wine Country, the Russian River, and parts of the Pacific Coast. In Santa Rosa, notable local landmarks include the Charles M. Schulz Museum and Research Center and nearby Trione-Annadel State Park.

History of Area Code 627

Area code 627 was not established for Santa Rosa, California. The Santa Rosa area historically used area code 707, which the North American Numbering Plan created in 1959 when it was split from area code 415.

The California Public Utilities Commission approved area code 369 as an overlay for 707 in 2022. The 369 overlay entered service on February 1, 2023, and it serves the same geographic region as 707, including Santa Rosa. Because of the overlay, 10-digit dialing is required in the 707 and 369 service area.

Key Facts About Area Code 627

• Area code 627 is not assigned as an active geographic area code for Santa Rosa, California.
• Santa Rosa, California, is served by area codes 707 and 369.
• Santa Rosa is in Sonoma County, California.
• Santa Rosa and the surrounding region use the Pacific Time Zone.
• Area code 707 was created in 1959 as a split from area code 415.
• Area code 369 is an overlay of 707, and it began service on February 1, 2023.
• Santa Rosa is home to Santa Rosa Junior College and the Charles M. Schulz Museum and Research Center.
• Sonoma County had a population of 488,863 in the 2020 United States Census.

Frequently Asked Questions

What state is area code 627 in?

Area code 627 is not an active area code for Santa Rosa, but Santa Rosa is in California.

What major cities use area code 627?

No major California cities use area code 627 for Santa Rosa, because Santa Rosa uses area codes 707 and 369.

Is area code 627 a toll-free number?

No, 627 is not a toll-free area code, and it is not an active geographic area code for Santa Rosa, California.