City
- Aguilar
- Akron
- Alamosa
- Allenspark
- Arvada
- Ault
- Bellvue
- Bennett
- Berthoud
- Black Hawk
- Boulder
- Breckenridge
- Briggsdale
- Brighton
- Broomfield
- Brush
- Buena Vista
- Burlington
- Byers
- Canon City
- Carr
- Cheyenne Wells
- Colorado City
- Commerce City
- Dacono
- Deer Trail
- Denver
- Drake
- Eaton
- Erie
- Estes Park
- Evans
- Evergreen
- Firestone
- Florissant
- Fort Collins
- Fort Lupton
- Fort Morgan
- Frederick
- Galeton
- Garden City
- Gilcrest
- Gill
- Glen Haven
- Golden
- Greeley
- Haxtun
- Holyoke
- Johnstown
- Keenesburg
- Kersey
- La Salle
- Lafayette
- Laporte
- Limon
- Littleton
- Livermore
- Log Lane Village
- Longmont
- Loveland
- Lyons
- Mead
- Milliken
- Nederland
- New Raymer
- Niwot
- Nunn
- Ovid
- Pagosa Springs
- Parachute
- Pierce
- Platteville
- Poncha Springs
- Pueblo
- Red Feather Lakes
- Rifle
- Roggen
- Rollinsville
- San Luis
- Severance
- Snyder
- Somerset
- Sterling
- Stratton
- Thornton
- Timnath
- Trinidad
- Walden
- Walsenburg
- Ward
- Weldona
- Wellington
- Westminster
- Wiggins
- Windsor
- Yuma
County
- Adams
- Alamosa
- Archuleta
- Boulder
- Broomfield
- Chaffee
- Cheyenne
- Costilla
- Denver
- Elbert
- Fremont
- Garfield
- Gilpin
- Gunnison
- Huerfano
- Jackson
- Jefferson
- Kit Carson
- Larimer
- Las Animas
- Lincoln
- Logan
- Morgan
- Phillips
- Pueblo
- Sedgwick
- Summit
- Teller
- Washington
- Weld
- Yuma
Zip Code
- 80003
- 80020
- 80022
- 80023
- 80026
- 80031
- 80102
- 80103
- 80105
- 80123
- 80216
- 80229
- 80301
- 80302
- 80303
- 80304
- 80403
- 80422
- 80424
- 80439
- 80466
- 80474
- 80480
- 80481
- 80501
- 80503
- 80504
- 80510
- 80512
- 80513
- 80514
- 80515
- 80516
- 80517
- 80521
- 80524
- 80525
- 80526
- 80528
- 80530
- 80532
- 80534
- 80535
- 80536
- 80537
- 80538
- 80540
- 80542
- 80543
- 80545
- 80547
- 80549
- 80550
- 80601
- 80602
- 80603
- 80610
- 80611
- 80612
- 80615
- 80620
- 80621
- 80622
- 80623
- 80624
- 80631
- 80634
- 80643
- 80644
- 80645
- 80648
- 80650
- 80651
- 80652
- 80653
- 80654
- 80701
- 80705
- 80720
- 80723
- 80731
- 80734
- 80742
- 80744
- 80750
- 80751
- 80759
- 80807
- 80810
- 80816
- 80828
- 80836
- 81003
- 81019
- 81020
- 81082
- 81089
- 81101
- 81147
- 81152
- 81211
- 81212
- 81242
- 81434
- 81635
- 81650
School District
- Adams CO. Dist 14
- Agate 300
- Aguilar Reorganized 6
- Akron R-1
- Alamosa
- Archuleta County 50
- Ault-Highland RE-9
- Bennett 29J
- Boulder Valley Dist RE2
- Briggsdale RE-10
- Brighton Dist 27J
- Brush RE 2J
- Burlington RE-6J
- Byers 32J
- Canon City RE-1
- Centennial R-1
- Cheyenne County RE-5
- Cripple Creek-Victor RE-1
- Eaton RE-2
- Estes Park District
- Fort Lupton/Weld RE-8
- Fort Morgan RE-3
- Frenchman RE3
- Gilpin
- Greeley 6
- Haxtun RE 2J
- Jefferson Dist R-1
- Keenesburg RE-3J
- Mapleton 1
- North Park R-1
- Platte Valley RE-7
- Poudre
- Prairie RE-11
- Pueblo County Rural 70
- ST Vrain Dist RE 1J
- Salida R-32-J
- Stratton R-4
- Summit
- Thompson R2-J
- Trinidad 1
- Valley RE 1
- Weld County RE-1
- Weld County School District RE-3J
- Weld County School District RE-8
- Weld RE-5J
- Weldon Valley RE 20
- Westminster Public Schools
- Wiggins RE 50
- Windsor RE-4