Simi Valley, California Area Code

Simi Valley, CA has one area code which is area code 805. Area code 805 was created from a split of area code 213 and placed in service on January 1, 1957.

In addition to Simi Valley, CA area code 805 serves the larger cities and communities of Atascadero, Camarillo, Goleta, Lompoc, Moorpark, Orcutt, Oxnard, Port Hueneme, San Luis Obispo, Santa Barbara, Santa Maria, Santa Paula, Simi Valley, Thousand Oaks, and Vanderberg AFB, in addition to many smaller communities within the service area.

Simi Valley, CA is located in Ventura County and observes the Pacific Time Zone.