| | Riverside County | CA | 06065 | | Riverside-San
Bernardino-Ontario, CA 40140 | Los Angeles-Long Beach,
CA 348 | Central | metro county (urban) | recreation | https://maps.google.com/?q=RiversideCounty+CA |
| | San Bernardino County | CA | 06071 | | Riverside-San
Bernardino-Ontario, CA 40140 | Los Angeles-Long Beach,
CA 348 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SanBernardinoCounty+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 |
| | Placer County | CA | 06061 | | Sacramento-Roseville-Folsom,
CA 40900 | Sacramento-Roseville, CA 472 | Central | metro county (urban) | recreation | https://maps.google.com/?q=PlacerCounty+CA |
| | Sacramento County | CA | 06067 | | Sacramento-Roseville-Folsom,
CA 40900 | Sacramento-Roseville, CA 472 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=SacramentoCounty+CA |
| | Yolo County | CA | 06113 | | Sacramento-Roseville-Folsom,
CA 40900 | Sacramento-Roseville, CA 472 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=YoloCounty+CA |
| | Monterey County | CA | 06053 | | Salinas, CA 41500 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=MontereyCounty+CA |
| | San Diego County | CA | 06073 | | San Diego-Chula
Vista-Carlsbad, CA 41740 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=SanDiegoCounty+CA |
| | 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 |
| | 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 |