| | | Pima County | AZ | 04019 | | Tucson, AZ 46060 | Tucson-Nogales, AZ 536 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PimaCounty+AZ |
| | | Pinal County | AZ | 04021 | | Phoenix-Mesa-Chandler, AZ 38060 | Phoenix-Mesa, AZ 429 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PinalCounty+AZ |
| | | Santa Cruz County | AZ | 04023 | | Nogales, AZ 35700 | Tucson-Nogales, AZ 536 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=SantaCruzCounty+AZ |
| | | Yavapai County | AZ | 04025 | | Prescott Valley-Prescott,
AZ 39150 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=YavapaiCounty+AZ |
| | | Yuma County | AZ | 04027 | | Yuma, AZ 49740 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=YumaCounty+AZ |
