| | | Alameda County | CA | 06001 | Oakland-Fremont-Berkeley,
CA 36084 | San
Francisco-Oakland-Fremont,
CA 41860 | San Jose-San
Francisco-Oakland, CA 488 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AlamedaCounty+CA |
| | | Butte County | CA | 06007 | | Chico, CA 17020 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ButteCounty+CA |
| | | Contra Costa County | CA | 06013 | Oakland-Fremont-Berkeley,
CA 36084 | San
Francisco-Oakland-Fremont,
CA 41860 | San Jose-San
Francisco-Oakland, CA 488 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=ContraCostaCounty+CA |
| | | El Dorado County | CA | 06017 | | Sacramento-Roseville-Folsom,
CA 40900 | Sacramento-Roseville, CA 472 | Central | metro county (urban) | recreation | https://maps.google.com/?q=ElDoradoCounty+CA |
| | | Fresno County | CA | 06019 | | Fresno, CA 23420 | Fresno-Hanford-Corcoran,
CA 260 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=FresnoCounty+CA |
| | | Imperial County | CA | 06025 | | El Centro, CA 20940 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ImperialCounty+CA |
| | | Kern County | CA | 06029 | | Bakersfield-Delano, CA 12540 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=KernCounty+CA |
| | | Kings County | CA | 06031 | | Hanford-Corcoran, CA 25260 | Fresno-Hanford-Corcoran,
CA 260 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=KingsCounty+CA |
| | | Los Angeles County | CA | 06037 | Los Angeles-Long
Beach-Glendale, CA 31084 | Los Angeles-Long
Beach-Anaheim, CA 31080 | Los Angeles-Long Beach,
CA 348 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LosAngelesCounty+CA |
| | | Madera County | CA | 06039 | | Fresno, CA 23420 | Fresno-Hanford-Corcoran,
CA 260 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MaderaCounty+California |
