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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 cities by population.

All Cities & Towns in Colorado A-Z

Complete alphabetical directory of all 455 cities, towns, and communities in Colorado with area codes.

D

Dacono Dakota Ridge De Beque Deer Trail Del Norte Delta Denver Derby Dillon Dinosaur Divide Dolores Dotsero Dove Creek Dove Valley Downieville-Lawson-Dumont Durango

E

Eads Eagle East Pleasant View Eaton Eckley Edgewater Edwards El Jebel El Moro Elbert Eldora Eldorado Springs Elizabeth Ellicott Empire Englewood Erie Estes Park Evans Evergreen

H

Hartman Hasty Haswell Haxtun Hayden Heeney Hidden Lake Highlands Ranch Hillrose Hoehne Holly Holly Hills Holyoke Hooper Hot Sulphur Springs Hotchkiss Howard Hudson Hugo

I

Idaho Springs Idalia Idledale Ignacio Iliff Indian Hills Inverness

J

Jackson Lake Jamestown Jansen Joes Johnson Village Johnstown Julesburg

K

Keenesburg Ken Caryl Kersey Keystone Kim Kiowa Kirk Kit Carson Kittredge Kremmling

N

Naturita Nederland New Castle Niwot No Name Norrie North La Junta North Washington Northglenn Norwood Nucla Nunn

O

Oak Creek Olathe Olney Springs Ophir Orchard Orchard City Orchard Mesa Ordway Otis Ouray Ovid

R

Ramah Rangely Raymer (New Raymer)Red Cliff Red Feather Lakes Redlands Redstone Redvale Rico Ridgway Rifle Rock Creek Park Rockvale Rocky Ford Rollinsville Romeo Roxborough Park Rye

T

Tabernash Tall Timber Telluride The Pinery Thornton Timnath Todd Creek Towaoc Towner Trail Side Trinidad Twin Lakes Two Buttes

U

Upper Bear Creek

V

Vail Valdez Valmont Vernon Victor Vilas Vineland Vona

Y