Northern region: Adams County ; Arapahoe County ; Boulder County ; Larimer County ; Logan County ; Morgan County ; Phillips County ; Washington County ; Weld County ; Yuma County
Central region: Cheyenne County ; Douglas County ; El Paso County ; Elbert County ; Kit Carson County ; Lincoln County
Southern region: Baca County ; Bent County ; Crowley County ; Huerfano County ; Kiowa County ; Las Animas County ; Otero County ; Prowers County ; Pueblo County.
Northern region: Adams County ; Arapahoe County ; Boulder County ; Larimer County ; Logan County ; Morgan County ; Phillips County ; Washington County ; Weld County ; Yuma County
Central region: Cheyenne County ; Douglas County ; El Paso County ; Elbert County ; Kit Carson County ; Lincoln County
Southern region: Baca County ; Bent County ; Crowley County ; Huerfano County ; Kiowa County ; Las Animas County ; Otero County ; Prowers County ; Pueblo County.