Serving Del Norte, Humboldt, Lassen, Mendocino, Modoc, Shasta, Siskiyou, Tehama and Trinity counties
Serving Alpine, Amador, Butte, Calaveras, Colusa, El Dorado, Glenn, Lake, Nevada, Placer, Plumas, Sacramento*, San Joaquin*, Sierra, Sutter, Yolo* and Yuba counties
*Note: These counties are split between regions. See detailed map.
Serving Alameda, Contra Costa, Marin, Napa, Sacramento*, San Mateo, Santa Clara, Santa Cruz, San Francisco, San Joaquin*, Solano, Sonoma, and Yolo* counties
*Note: These counties are split between regions. See detailed map.
Serving Fresno, Kern, Kings, Madera, Mariposa, Merced, Monterey, San Benito, San Luis Obispo, Stanislaus, Tulare and Tuolumne counties
Serving Los Angeles, Orange, San Diego, Santa Barbara and Ventura counties
Serving Imperial, Inyo, Mono, Riverside and San Bernardino counties
Serving the entire California coastline from border to border and three nautical miles out to sea