A

• Adams County Denver
• Alamosa County South Central
• Arapahoe County Denver
• Archuleta County Southwest

B

• Baca County Southeast
• Bent County Southeast
• Boulder County Front Range
• Broomfield County Denver

C

• Chaffee County South Central
• Cheyene County Northeast
• Clear Creek County Front Range
• Conejos County South Central
• Costilla County South Central
• Crowley County Southeast
• Custer County South Central

D

• Delores County Southwest
• Delta County Southwest
• Denver County Denver
• Douglas County Denver

E

• Eagle County Northwest
• El Paso County South Central
• Elbert County Northeast

F

• Fremont County South Central

G

• Garfield County Northwest
• Gilpin County Front Range
• Grand County Northwest
• Gunnison County Southwest

H

• Hinsdale County Southwest
• Huerfano County Southeast

J

• Jackson County Northwest
• Jefferson County Denver

K

• Kiowa County Southeast
• Kit Carson County Northeast

L

• La Plata County Southwest
• Lake County South Central
• Larimer County Front Range
• Las Animas County Southeast
• Lincoln County Northeast
• Logan County Northeast

M

• Mesa County Northwest
• Mineral County South Central
• Moffat County Northwest
• Montezuma County Southwest
• Montrose County Southwest
• Morgan County Northeast

O

• Otero County Southeast
• Ouray County Southwest

P

• Park County South Central
• Phillips County Northeast
• Pitkin County Northwest
• Prowers County Southeast
• Pueblo County Southeast

R

• Rio Blanco County Northwest
• Rio Grande County South Central
• Routt County Northwest

S

• Saguache County South Central
• San Juan County Southwest
• San Miguel County Southwest
• Sedgwick County Northeast
• Summit County Northwest

T

• Teller County South Central

W

• Washington County Northeast
• Weld County Front Range

Y

• Yuma County Northeast