A- Alamosa, Arvada, Aspen, Aurora, Avon
B- Bayfield, Berthoud, Boulder, Brighton, Broomfield, Brush, Burlington, Byers
C- Canon City, Carbondale, Castle Rock, Cedaredge, Center, Clifton, Colorado Springs, Commerce City, Cortez, Craig
D- Delta, Denver, Dumont, Durango
E- Eagle, Eaton, Edwards, Englewood, Estes Park, Evans, Evergreen
F- Florence, Fort Collins, Fort Lupton, Fort Morgan, Fountain, Fraser, Frisco, Fruita
G- Glenwood Springs, Grand Junction, Greeley, Gunnison
I- Idaho Springs
J- Johnstown
K- Kremmling
L- La Junta, Lafayette, Lakewood, Lamar, Leadville, Limon, Littleton, Longmont, Louisville, Loveland
M- Mancos, Meeker, Monte Vista, Montrose, Monument
P- Pagosa Springs, Parachute, Parker, Peyton, Pueblo
R- Rifle, Rocky Ford
S- Salida, Silverthorne, Steamboat Springs, Sterling
T- Thornton, Towaoc, Trinidad
V- Vail
W- Walsenburg, Wellington, Westminster, Wheat Ridge, Windsor, Winter Park, Woodland Park