A- Akron, Alamosa, Arboles, Arvada, Aspen, Ault, Aurora, Avon, Avondale
B- Bailey, Basalt, Bayfield, Bennett, Berthoud, Blanca, Boulder, Breckenridge, Brighton, Broomfield, Brush, Buena Vista, Burlington
C- Calhan, Canon City, Carbondale, Castle Rock, Cedaredge, Cheyenne Wells, Clifton, Colorado City, Colorado Springs, Commerce City, Conifer, Cortez, Craig, Crested Butte
D- Dacono, Deer Trail, Del Norte, Delta, Denver, Dillon, Divide, Dolores, Dove Creek, Durango
E- Eads, Eagle, Eaton, Edwards, Elizabeth, Englewood, Erie, Estes Park, Evans, Evergreen
F- Fairplay, Flagler, Fleming, Florence, Florissant, Fort Collins, Fort Lupton, Fort Morgan, Fountain, Fowler, Fraser, Frederick, Frisco, Fruita
G- Genoa, Georgetown, Glenwood Springs, Golden, Granby, Grand Junction, Grand Lake, Greeley, Gunnison, Gypsum
H- Haxtun, Hayden, Hillrose, Holyoke, Hotchkiss, Hygiene
I- Idaho Springs, Ignacio
J- Johnstown, Julesburg
K- Keenesburg, Kersey, Kiowa, Kirk, Kittredge, Kremmling
L- La Jara, La Junta, La Salle, La Veta, Lafayette, Lake City, Lakewood, Lamar, Larkspur, Las Animas, Leadville, Limon, Littleton, Livermore, Longmont, Louisville, Loveland, Lyons
M- Manitou Springs, Meeker, Mesa, Monte Vista, Montrose, Monument, Morrison
N- New Castle, Norwood
O- Olathe, Ordway, Otis, Ouray
P- Pagosa Springs, Palisade, Paonia, Parachute, Parker, Penrose, Peyton, Pinecliffe, Poncha Springs, Pueblo
R- Rangely, Rifle, Rocky Ford, Roggen, Rush, Rye
S- Salida, Sanford, Sedalia, Silt, Silverthorne, Snowmass, South Fork, Springfield, Steamboat Springs, Sterling, Strasburg, Stratton
T- Tabernash, Telluride, Thornton, Trinidad, Two Buttes
V- Vail
W- Walden, Walsenburg, Walsh, Weldona, Wellington, Westminster, Wheat Ridge, Whitewater, Wiggins, Windsor, Winter Park, Woodland Park, Wray
Y- Yuma