A- Akron, Alamosa, Alma, Anton, Antonito, Arvada, Aspen, Ault, Aurora, Austin, Avon
B- Bailey, Basalt, Bayfield, Bedrock, Bennett, Berthoud, Beulah, Blanca, Boulder, Breckenridge, Briggsdale, Brighton, Broomfield, Brush, Buena Vista, Burlington, Byers
C- Calhan, Canon City, Capulin, Carbondale, Castle Rock, Cedaredge, Center, Cheyenne Wells, Chimney Rock, Chromo, Cimarron, Clifton, Collbran, Colorado Springs, Commerce City, Conifer, Cortez, Craig, Crawford, Creede, Crested Butte, Crestone, Cripple Creek
D- Dacono, De Beque, Del Norte, Delta, Denver, Dillon, Divide, Dolores, Dove Creek, Durango
E- Eads, Eagle, Eaton, Eckert, Edwards, Elizabeth, Englewood, Erie, Estes Park, Evans, Evergreen
F- Fairplay, Flagler, Fleming, Florence, Florissant, Fort Collins, Fort Garland, Fort Morgan, Fowler, Franktown, Fraser, Frederick, Frisco, Fruita
G- Georgetown, Gilcrest, Glade Park, Glenwood Springs, Grand Junction, Grand Lake, Greeley, Green Mountain Falls, Grover, Gunnison, Gypsum
H- Hartsel, Hasty, Haxtun, Hayden, Henderson, Hillrose, Holly, Holyoke, Hotchkiss, Hudson, Hugo, Hygiene
I- Idaho Springs, Idalia, Ignacio
J- Johnstown, Julesburg
K- Keenesburg, Kersey, Kim, Kiowa, Kirk, Kit Carson, Kremmling
L- La Jara, La Junta, La Salle, La Veta, Lafayette, Lake City, Lake George, Lakewood, Lamar, Laporte, Larkspur, Las Animas, Leadville, Limon, Littleton, Longmont, Louisville, Loveland, Lyons
M- Mack, Manassa, Mancos, Manitou Springs, Mc Clave, Mead, Meeker, Milliken, Monte Vista, Montrose, Monument
N- Naturita, Nederland, New Castle, Norwood, Nucla
O- Oak Creek, Olathe, Olney Springs, Ordway, Otis, Ouray, Ovid
P- Pagosa Springs, Palisade, Paonia, Parachute, Parker, Penrose, Peyton, Pierce, Pine, Placerville, Platteville, Pueblo
R- Rangely, Red Feather Lakes, Ridgway, Rifle, Rocky Ford, Romeo
S- Saguache, Salida, San Luis, Sanford, Sedalia, Silverthorne, Silverton, Simla, Snowmass Village, South Fork, Springfield, Steamboat Springs, Sterling, Strasburg, Stratton
T- Telluride, Thornton, Toponas, Trinidad, Twin Lakes
V- Vail
W- Walden, Walsenburg, Walsh, Wellington, Westcliffe, Westminster, Weston, Wheat Ridge, Wiggins, Wiley, Windsor, Wolcott, Woodland Park, Wray
Y- Yampa, Yuma