City
- Allenspark
- Ault
- Berthoud
- Boulder
- Broomfield
- Dacono
- Eaton
- Estes Park
- Evans
- Firestone
- Fort Collins
- Fort Lupton
- Fort Morgan
- Frederick
- Garden City
- Greeley
- Johnstown
- Lafayette
- Longmont
- Louisville
- Loveland
- Mead
- Milliken
- Nunn
- Severance
- Wellington
- Westminster
- Wheat Ridge
- Windsor
County
Zip Code
- 80020
- 80021
- 80023
- 80026
- 80027
- 80030
- 80033
- 80301
- 80302
- 80303
- 80304
- 80501
- 80503
- 80504
- 80510
- 80513
- 80514
- 80516
- 80517
- 80521
- 80524
- 80525
- 80526
- 80528
- 80534
- 80537
- 80538
- 80543
- 80549
- 80550
- 80610
- 80615
- 80620
- 80621
- 80631
- 80634
- 80648
- 80701