A- Alamosa, Arvada, Aspen, Aurora
B- Bailey, Basalt, Berthoud, Boulder, Breckenridge, Brighton, Broomfield, Brush, Buena Vista, Burlington
C- Canon City, Carbondale, Castle Rock, Cedaredge, Center, Clifton, Collbran, Colorado Springs, Commerce City, Cortez, Craig, Cripple Creek, Crook
D- Delta, Denver, Dillon, Divide, Dolores, Durango
E- Eads, Eastlake, Eckert, Edwards, Elizabeth, Englewood, Erie, Estes Park, Evergreen
F- Fort Collins, Fort Morgan, Fountain, Fraser, Frisco, Fruita
G- Glenwood Springs, Granby, Grand Junction, Greeley, Gunnison
H- Holly, Hot Sulphur Springs, Hotchkiss, Hugo
I- Idledale
J- Johnstown
L- La Jara, La Junta, Lafayette, Lakewood, Lamar, Las Animas, Leadville, Littleton, Longmont, Louisville, Loveland, Lyons
M- Mancos, Manitou Springs, Mead, Meeker, Monte Vista, Montrose
O- Olathe
P- Pagosa Springs, Paonia, Parker, Platteville, Pueblo
R- Rocky Ford
S- Salida, Sedalia, Springfield, Steamboat Springs, Sterling
T- Thornton, Towaoc, Trinidad
V- Vail
W- Walsenburg, Westminster, Wheat Ridge, Wiggins, Windsor, Woodland Park
Y- Yuma