Service area: San Mateo and Santa Clara counties

Service area: Amador, Butte, Calaveras, Colusa, Del Norte, El Dorado, Glenn, Humboldt, Lake, Lassen, Mendocino, Modoc, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Solano, Tehama, Trinity, and Yolo counties

Service area: Maryville County

Service area: Stanislaus County

Service area: Santa Clara County

Service area: San Mateo County

Service area: San Francisco County

Service area: Napa County

Service area: Marin County

Service area: Contra Costa County