Find a City by ZIP code.
Find ZIP Code by County in the State of Colorado
The list of all the Counties in Colorado are given below in an alphabetic order. Each of the County have the linked to direct you to their comprehensive list of ZIP codes.
ZIP Codes by County in Colorado
- Adams
- Alamosa
- Arapahoe
- Archuleta
- Baca
- Bent
- Boulder
- Chaffee
- Cheyenne
- Clear Creek
- Conejos
- Costilla
- Crowley
- Custer
- Delta
- Denver
- Dolores
- Douglas
- Eagle
- El Paso
- Elbert
- Fremont
- Garfield
- Gilpin
- Grand
- Gunnison
- Hinsdale
- Huerfano
- Jackson
- Jefferson
- Kiowa
- Kit Carson
- La Plata
- Lake
- Larimer
- Las Animas
- Lincoln
- Logan
- Mesa
- Mineral
- Moffat
- Montezuma
- Montrose
- Morgan
- Otero