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Colorado Area Codes

Colorado has 5 area codes. Browse all area codes, cities, and phone prefixes.

5 area codes

455 cities

Colorado Area Codes

Colorado Springs

Cities in Colorado

Denver Colorado Springs Aurora Fort Collins Lakewood Thornton Pueblo Arvada Westminster Centennial Boulder Highlands Ranch Greeley Longmont Loveland Grand Junction Broomfield Castle Rock Commerce City Parker Littleton Northglenn Brighton Security-Widefield Ken Caryl Dakota Ridge Englewood Wheat Ridge Pueblo West Fountain Lafayette Columbine Clifton Montrose Golden Windsor Evans Louisville Sherrelwood Erie Durango Ca Cimarron Hills Welby Sterling Greenwood Village Fort Carson Black Forest Fruita Superior Steamboat Springs Federal Heights Fort Morgan Berkley Cherry Creek The Pinery Castle Pines North Edwards Lone Tree Firestone Johnstown Glenwood Springs Craig Gunbarrel Rifle Roxborough Park Trinidad Evergreen Stonegate Delta Alamosa Woodmoor Redlands Frederick Cortez Lamar Derby Fruitvale Fairmount Fort Lupton Woodland Park Applewood La Junta Stratmoor Orchard Mesa Air Force Academy Aspen Gleneagle Eagle Gypsum Avon Carbondale Wellington Twin Lakes Cherry Hills Village Estes Park Gunnison Sheridan Milliken Monument

Showing top 100 of 455 cities.