City
- Arvada
- Aurora
- Boulder
- Breckenridge
- Brighton
- Buena Vista
- Buffalo Creek
- Canon City
- Centennial
- Central City
- Colorado Springs
- Crested Butte
- Cripple Creek
- Denver
- Elizabeth
- Erie
- Estes Park
- Evergreen
- Fort Collins
- Georgetown
- Glenwood Springs
- Golden
- Greeley
- Grover
- Holyoke
- Idaho Springs
- La Junta
- Lafayette
- Leadville
- Longmont
- Loveland
- Moffat
- Niwot
- Pueblo
- Rocky Ford
- Salida
- Sterling
- Victor
- Westcliffe
- Wheat Ridge
- Windsor
County
- Adams
- Arapahoe
- Boulder
- Chaffee
- Clear Creek
- Custer
- Denver
- El Paso
- Elbert
- Fremont
- Garfield
- Gilpin
- Gunnison
- Jefferson
- Lake
- Larimer
- Logan
- Otero
- Phillips
- Pueblo
- Saguache
- Summit
- Teller
- Weld
Zip Code
- 80005
- 80012
- 80026
- 80107
- 80111
- 80203
- 80204
- 80205
- 80206
- 80209
- 80210
- 80211
- 80212
- 80214
- 80218
- 80221
- 80223
- 80301
- 80302
- 80304
- 80401
- 80424
- 80425
- 80427
- 80439
- 80444
- 80452
- 80461
- 80501
- 80504
- 80516
- 80517
- 80524
- 80526
- 80528
- 80537
- 80544
- 80550
- 80601
- 80631
- 80729
- 80734
- 80751
- 80813
- 80860
- 80903
- 81003
- 81004
- 81050
- 81067
- 81143
- 81201
- 81211
- 81212
- 81224
- 81252
- 81601
School District
- Adams-Arapahoe 28J
- Boulder Valley Dist RE2
- Buena Vista R-31
- Canon City RE-1
- Cherry Creek 5
- Clear Creek RE-1
- Colorado Springs 11
- Cripple Creek-Victor RE-1
- Custer County C-1
- Denver 1
- Denver District 1
- East Otero R-1
- Elizabeth C-1
- Estes Park District
- Gilpin RE-1
- Greeley 6
- Gunnison Watershed RE1J
- Holyoke RE 1J
- Jefferson County R-1
- Lake County R-1
- Moffat 2
- Pawnee RE-12
- Poudre
- Pueblo City 60
- Roaring Fork RE-1
- Rocky Ford R-2
- ST Vrain Dist RE 1J
- Salida R-32
- School District 27-J
- St. Vrain Valley RE-1J
- Summit RE-1
- Thompson R2-J
- Valley RE 1
- Windsor RE-4