A- Alamosa, Allenspark, Arvada, Aspen, Aurora, Austin, Avon
B- Basalt, Bayfield, Blanca, Boulder, Breckenridge, Broomfield, Buena Vista
C- Canon City, Carbondale, Castle Rock, Cedaredge, Central City, Colorado Springs, Como, Cortez, Creede, Crested Butte, Crestone
D- Denver, Dolores, Durango
E- Eaton, Edwards, Elizabeth, Empire, Englewood, Estes Park, Evergreen
F- Fairplay, Florence, Fort Collins, Fort Morgan, Franktown, Fraser, Frisco
G- Georgetown, Glenwood Springs, Golden, Granby, Grand Junction, Grand Lake, Greeley, Guffey, Gunnison
H- Hotchkiss
I- Idaho Springs
L- La Veta, Lake City, Lakewood, Lamar, Leadville, Littleton, Longmont, Louisville, Loveland, Lyons
M- Mancos, Manitou Springs, Meeker, Minturn, Monte Vista, Montrose, Monument
N- Nederland, Niwot
O- Ouray
P- Pagosa Springs, Palisade, Paonia, Parker, Pueblo
R- Rico, Rocky Ford
S- Salida, Sedalia, Shawnee, Silverthorne, Silverton, Steamboat Springs
T- Telluride, Trinidad, Twin Lakes
V- Vail
W- Westcliffe, Westminster, Wheat Ridge, Windsor, Winter Park, Woody Creek