A- Arvada, Aurora
B- Basalt, Bayfield, Boulder, Breckenridge, Broomfield, Buena Vista
C- Carbondale, Castle Rock, Colorado Springs, Commerce City, Crawford, Crested Butte
D- Del Norte, Denver, Dillon, Dolores, Durango
E- Eagle, Englewood, Estes Park, Evergreen
F- Fort Collins, Fountain, Franktown, Fraser
G- Gardner, Glenwood Springs, Golden, Granby, Grand Junction, Gunnison
I- Idaho Springs, Ignacio
K- Kremmling
L- Lakewood, Leadville, Littleton, Livermore, Longmont, Louisville, Loveland
M- Mancos, Minturn, Montrose
O- Oak Creek
P- Pagosa Springs, Parker, Penrose, Peyton, Pine, Poncha Springs, Pueblo
S- Salida, Silt, Silverthorne, Simla, Snowmass, Snowmass Village, South Fork, Steamboat Springs
T- Telluride, Thornton, Timnath
W- Watkins, Westminster, Whitewater