A- Akron, Alamosa, Arvada, Aurora
B- Boulder, Breckenridge, Brighton, Broomfield, Brush, Burlington
C- Canon City, Castle Rock, Cedaredge, Cheyenne Wells, Colorado Springs, Commerce City, Cortez, Craig
D- Del Norte, Delta, Denver, Divide, Durango
E- Eads, Eaton, Englewood, Estes Park, Evans, Evergreen
F- Florence, Fort Collins, Fort Lupton, Fort Morgan, Fountain, Fowler, Fruita
G- Glenwood Springs, Grand Junction, Greeley, Gunnison
H- Haxtun, Holly, Holyoke, Hot Sulphur Springs, Hotchkiss
I- Idaho Springs
J- Julesburg
L- La Junta, Lafayette, Lakewood, Lamar, Las Animas, Leadville, Limon, Littleton, Longmont, Loveland
M- Manassa, Meeker, Monte Vista, Montrose
O- Ordway
P- Pagosa Springs, Palisade, Paonia, Parker, Pueblo
R- Rangely, Rifle, Rocky Ford
S- Salida, San Pablo, Springfield, Steamboat Springs, Sterling
T- Thornton, Trinidad
W- Walsenburg, Walsh, Wheat Ridge, Windsor, Wray