Colorado area codes are 303, 719, 720, 970 and 983. Some of these unique area codes serve the bustling Denver metropolitan area to the scenic western portion of the state.
| Name | Colorado |
|---|---|
| Area Code | 303, 719, 720, 970, 983 |
| ISO Code | US-CO |
| Country | United States (US) |
Counties in Colorado
- Adams County
- Alamosa County
- Arapahoe County
- Archuleta County
- Baca County
- Bent County
- Boulder County
- Broomfield County
- Chaffee County
- Cheyenne County
- Clear Creek County
- Conejos County
- Costilla County
- Crowley County
- Custer County
- Delta County
- Denver County
- Dolores County
- Douglas County
- Eagle County
- El Paso County
- Elbert County
- Fremont County
- Garfield County
- Gilpin County
- Grand County
- Gunnison County
- Hinsdale County
- Huerfano County
- Jackson County
- Jefferson County
- Kiowa County
- Kit Carson County
- La Plata County
- Lake County
- Larimer County
- Las Animas County
- Lincoln County
- Logan County
- Mesa County
- Mineral County
- Moffat County
- Montezuma County
- Montrose County
- Morgan County
- Otero County
- Ouray County
- Park County
- Phillips County
- Pitkin County
- Prowers County
- Pueblo County
- Rio Blanco County
- Rio Grande County
- Routt County
- Saguache County
- San Juan County
- San Miguel County
- Sedgwick County
- Summit County
- Teller County
- Washington County
- Weld County
- Yuma County
Cities an Towns in Colorado
- Agate
- Aguilar
- Akron
- Alamosa
- Allenspark
- Alma
- Almont
- Amherst
- Anton
- Antonito
- Arapahoe
- Arboles
- Arlington
- Arriba
- Arvada
- Aspen
- Atwood
- Ault
- Aurora
- Austin
- Avon
- Avondale
- Bailey
- Basalt
- Battlement Mesa
- Bayfield
- Bedrock
- Bellvue
- Bennett
- Berthoud
- Bethune
- Beulah
- Black Hawk
- Blanca
- Boncarbo
- Bond
- Boone
- Boulder
- Branson
- Breckenridge
- Briggsdale
- Brighton
- Broomfield
- Brush
- Buena Vista
- Buffalo Creek
- Burlington
- Burns
- Byers
- Cahone
- Calhan
- Campo
- Canon City
- Capulin
- Carbondale
- Carr
- Cascade
- Castle Rock
- Cedaredge
- Center
- Central City
- Chama
- Cheraw
- Cheyenne Wells
- Chimney Rock
- Chromo
- Cimarron
- Clark
- Clifton
- Climax
- Coal Creek
- Coaldale
- Coalmont
- Collbran
- Colorado City
- Colorado Springs
- Commerce City
- Como
- Conejos
- Conifer
- Cope
- Cortez
- Cory
- Cotopaxi
- Cowdrey
- Craig
- Crawford
- Creede
- Crested Butte
- Crestone
- Cripple Creek
- Crook
- Crowley
- Dacono
- De Beque
- Deer Trail
- Del Norte
- Delta
- Denver
- Dillon
- Dinosaur
- Divide
- Dolores
- Dove Creek
- Drake
- Dumont
- Dupont
- Durango
- Eads
- Eagle
- Eastlake
- Eaton
- Eckert
- Eckley
- Edwards
- Egnar
- Elbert
- Eldorado Springs
- Elizabeth
- Empire
- Englewood
- Erie
- Estes Park
- Evans
- Evergreen
- Fairplay
- Firestone
- Flagler
- Fleming
- Florence
- Florissant
- Fort Collins
- Fort Garland
- Fort Lupton
- Fort Lyon
- Fort Morgan
- Fountain
- Fowler
- Franktown
- Fraser
- Frederick
- Frisco
- Fruita
- Galeton
- Gardner
- Gateway
- Genoa
- Georgetown
- Gilcrest
- Glade Park
- Glen Haven
- Glenwood Springs
- Golden
- Granada
- Granby
- Grand Junction
- Grand Lake
- Grant
- Greeley
- Green Mountain Falls
- Grover
- Guffey
- Gunnison
- Gypsum
- Hartman
- Hartsel
- Hasty
- Haswell
- Haxtun
- Hayden
- Henderson
- Hereford
- Hesperus
- Hillrose
- Hillside
- Hoehne
- Holly
- Holyoke
- Homelake
- Hooper
- Hot Sulphur Springs
- Hotchkiss
- Howard
- Hudson
- Hugo
- Hygiene
- Idaho Springs
- Idalia
- Idledale
- Ignacio
- Iliff
- Indian Hills
- Jamestown
- Jaroso
- Jefferson
- Joes
- Johnstown
- Julesburg
- Karval
- Keenesburg
- Kersey
- Kim
- Kiowa
- Kirk
- Kit Carson
- Kittredge
- Kremmling
- La Jara
- La Junta
- La Salle
- La Veta
- Lafayette
- Lake City
- Lake George
- Lamar
- Laporte
- Larkspur
- Las Animas
- Lazear
- Leadville
- Lewis
- Limon
- Lindon
- Littleton
- Livermore
- Log Lane Village
- Loma
- Lone Tree
- Longmont
- Louisville
- Louviers
- Loveland
- Lucerne
- Lyons
- Mack
- Manassa
- Mancos
- Manitou Springs
- Manzanola
- Marvel
- Masonville
- Matheson
- Maybell
- Mc Clave
- Mc Coy
- Mead
- Meeker
- Meredith
- Merino
- Mesa
- Mesa Verde National Park
- Milliken
- Minturn
- Moffat
- Molina
- Monarch
- Monte Vista
- Montrose
- Monument
- Morrison
- Mosca
- Nathrop
- Naturita
- Nederland
- New Castle
- New Raymer
- Niwot
- Norwood
- Nucla
- Nunn
- Oak Creek
- Ohio City
- Olathe
- Olney Springs
- Ophir
- Orchard
- Ordway
- Otis
- Ouray
- Ovid
- Padroni
- Pagosa Springs
- Palisade
- Palmer Lake
- Paoli
- Paonia
- Parachute
- Paradox
- Parker
- Parlin
- Parshall
- Peetz
- Penrose
- Peyton
- Phippsburg
- Pierce
- Pine
- Pinecliffe
- Pitkin
- Placerville
- Platteville
- Pleasant View
- Poncha Springs
- Powderhorn
- Pritchett
- Pueblo
- Ramah
- Rand
- Rangely
- Red Cliff
- Red Feather Lakes
- Redvale
- Rico
- Ridgway
- Rifle
- Rockvale
- Rocky Ford
- Roggen
- Rollinsville
- Romeo
- Rush
- Rye
- Saguache
- Salida
- San Luis
- San Pablo
- Sanford
- Sargents
- Sedalia
- Sedgwick
- Seibert
- Severance
- Shawnee
- Sheridan Lake
- Silt
- Silver Plume
- Silverthorne
- Silverton
- Simla
- Slater
- Snowmass
- Snowmass Village
- Snyder
- Somerset
- South Fork
- Springfield
- Steamboat Springs
- Sterling
- Stoneham
- Strasburg
- Stratton
- Sugar City
- Swink
- Tabernash
- Telluride
- Thornton
- Timnath
- Toponas
- Towaoc
- Trinchera
- Trinidad
- Twin Lakes
- Two Buttes
- U S A F Academy
- Vail
- Vernon
- Victor
- Vilas
- Villa Grove
- Vona
- Walden
- Walsenburg
- Walsh
- Ward
- Watkins
- Weldona
- Wellington
- Westcliffe
- Westminster
- Weston
- Wetmore
- Wheat Ridge
- Whitewater
- Wiggins
- Wild Horse
- Wiley
- Windsor
- Winter Park
- Wolcott
- Woodland Park
- Woodrow
- Woody Creek
- Wray
- Yampa
- Yellow Jacket
- Yoder
- Yuma