A- Akron, Alamosa, Arvada, Aspen, Ault, Aurora, Avon
B- Bayfield, Bennett, Berthoud, Boulder, Breckenridge, Brighton, Broomfield, Brush, Buena Vista, Burlington
C- Canon City, Carbondale, Castle Rock, Center, Central City, Clifton, Colorado Springs, Commerce City, Cortez, Craig, Crested Butte, Cripple Creek
D- Dacono, Deer Trail, Del Norte, Delta, Denver, Dillon, Durango
E- Eagle, Eaton, Edwards, Englewood, Estes Park, Evans, Evergreen
F- Flagler, Florence, Fort Collins, Fort Lupton, Fort Morgan, Fountain, Fraser, Frisco, Fruita
G- Glenwood Springs, Golden, Granby, Grand Junction, Greeley, Grover, Gunnison, Gypsum
H- Hayden, Henderson, Hudson, Hugo
I- Idaho Springs
J- Julesburg
K- Kersey, Kremmling
L- La Jara, La Junta, La Veta, Lafayette, Lakewood, Lamar, Laporte, Las Animas, Leadville, Limon, Littleton, Longmont, Louisville, Loveland
M- Mancos, Manitou Springs, Manzanola, Milliken, Monte Vista, Montrose, Monument, Morrison
N- Naturita, Norwood
O- Ordway
P- Pagosa Springs, Parachute, Parker, Platteville, Pueblo
R- Rangely, Rifle, Rocky Ford
S- Saguache, Salida, Silverthorne, Snowmass, Snowmass Village, South Fork, Steamboat Springs, Sterling
T- Telluride, Thornton, Trinidad
V- Vail
W- Westcliffe, Westminster, Wheat Ridge, Windsor, Woodland Park