1 – Northern Coastal – Del Norte, Humboldt, Trinity, Mendocino, Lake, Sonoma, Napa, Marin
2 – Northern – Siskiyou, Modoc, Shasta, Lassen, Plumas, Sierra, Nevada
3 – Northern Central – Tehama, Glenn, Butte, Colusa, Yuba, Sutter, Yolo, Sacramento
4 – Bay Area – Solano, Contra Costa, Alameda, San Francisco, San Mateo, Santa Clara
5 – Gold Country – Placer, El Dorado, Alpine, Amador, Calaveras, Tuolumne
6 – Central – San Joaquin, Stanislaus, Merced
7 – Central Coast – Santa Cruz, Monterey, San Benito, San Luis Obispo, Santa Barbara, Ventura
8 – South Central – Mariposa, Madera, Fresno, Kings, Tulare, Kern
9 – Southern Coastal – Los Angeles, Orange, San Diego
10 – Inland Empire/Desert – Mono, Inyo, San Bernardino, Riverside, Imperial