| | | Colusa County | CA | 06011 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ColusaCounty+CA |
| | | Glenn County | CA | 06021 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=GlennCounty+CA |
| | | Amador County | CA | 06005 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=AmadorCounty+CA |
| | | Del Norte County | CA | 06015 | | Crescent City, CA 18860 | Brookings-Crescent City,
OR-CA 152 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=DelNorteCounty+CA |
| | | Imperial County | CA | 06025 | | El Centro, CA 20940 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=ImperialCounty+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 |
| | | Lassen County | CA | 06035 | | Susanville, CA 45000 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LassenCounty+CA |
| | | Modoc County | CA | 06049 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ModocCounty+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 |
| | | Trinity County | CA | 06105 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=TrinityCounty+CA |
