Colorado area codes
Colorado has 6 area codes. Find the one you need by city below, or look up a number.
| Area code | Main cities | Time zone |
|---|---|---|
| 303 | Denver, Aurora, Littleton and Longmont | Mountain Time |
| 719 | Colorado Springs, Pueblo, Cañon City and Alamosa | Mountain Time |
| 720 | Denver, Longmont, Fort Lupton and Georgetown | Mountain Time |
| 748 | Durango, Eagle, Estes Park and Fort Collins | Mountain Time |
| 970 | Fort Collins, Greeley, Grand Junction and Loveland | Mountain Time |
| 983 | Denver, Longmont, Fort Lupton and Strasburg | Mountain Time |
Look up a Colorado number
Area codes by city in Colorado
- Denver 303, 720, 983
- Colorado Springs 719
- Fort Collins 748, 970
- Pueblo 719
- Greeley 748, 970
- Longmont 303, 720, 983
- Grand Junction 970
- Loveland 970
- Durango 748, 970
- Aurora 303, 720
- Fort Lupton 303, 720, 983
- Avon 970
- Glenwood Springs 970
- Littleton 303, 720
- Montrose 970
- Boulder 303, 720
- Frisco 970
- Aspen 970
- Cañon City 719
- Steamboat Spgs 970
- Alamosa 719
- Georgetown 303, 720
- Keenesburg 303, 720, 983
- Sterling 970
- Lyons 303, 720
- Craig 970
- Fort Morgan 970
- Peyton 719
- Trinidad 719
- Cortez 970
- Golden 303
- Hudson 303, 720
- Windsor 970
- Broomfield 303, 720
- La Junta 719
- Lamar 719
- Berthoud 970
- Johnstown 970
- Pagosa Springs 970
- Salida 719
- Buena Vista 719
- Cripple Creek 719
- Estes Park 748, 970
- Highlands Ranch 303, 720
- Telluride 970
- Walsenburg 719
- Basalt 970
- Brighton 303, 720
- Burlington 719
- Calhan 719
- Carbondale 970
- Delta 970
- Eagle 748, 970
- Edwards 970
- Englewood 303
- Fruita 970
- Gunnison 970
- Lakewood 303
- Monte Vista 719
- Rangely 970
- Akron 970
- Breckenridge 970
- Brush 970
- Castle Rock 303, 720
- Fairplay 719
- Granby 970
- Gypsum 970
- Hayden 970
- Leadville 719
- Limon 719
- Meeker 970
- Parker 303, 720
- Penrose 719
- Ridgway 970
- Rifle 970
- Springfield 719
- Walden 970
- Yuma 970
- Bayfield 970
- Center 719
- Creede 719
- Crested Butte 970
- Dolores 970
- Eaton 970
- Fowler 719
- Ignacio 748, 970
- Julesburg 970
- Kremmling 970
- La Salle 970
- Las Animas 719
- New Castle 970
- Olathe 970
- Ouray 970
- Palisade 970
- Parachute 970
- Platteville 970
- Rocky Ford 719
- Strasburg 303, 720, 983
- Antonito 719
- Cheyenne Wells 719
- Del Norte 719
- Dove Creek 970
- Evergreen 303
- Florissant 719
- Grand Lake 970
- Holly 719
- La Jara 719
- La Veta 719
- Lake City 970
- Mancos 970
- Norwood 970
- Ordway 719
- Silt 970
- Silverton 970
- Westcliffe 719
- Wray 970
- Bennett 303, 720
- Byers 303, 720
- Crestone 719
- Eads 719
- Hotchkiss 970
- Monument 719
- Paonia 970
- Pueblo West 719
- Vail 970
- Woodland Park 719
Questions
- How many area codes does Colorado have?
- 6: 303, 719, 720, 748, 970 and 983.
- What time zone is Colorado in?
- Colorado area codes use Mountain Time.