Colorado Area Codes

Each of the 4 area codes in Colorado are listed below. The Colorado area code listing below lists area codes in several sections. First, CO area codes by city are shown for the largest cities in Colorado. Next, the list shows Colorado area codes by number. If you still can't find what you are looking for and the searches below do not help, the area code finder on our home page may be what you are looking for.

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Colorado Area Code Map

Click Here for a Printable Map: Colorado Area Code Map
Area Code 303
Area Code 719
Area Code 720
Area Code 970

CO Area Codes for the Largest Cities

Arvada area code720/303Greeley area code970Westminster area code720/303
Aurora area code303/720Highlands Ranch area code303/720Wheat Ridge area code303/720
Boulder area code720/303Ken Caryl area code720/303
Brighton area code720/303Lafayette area code303/720
Broomfield area code303/720Lakewood area code720/303
Castle Rock area code720/303Littleton area code303/720
Castlewood area code303/720Longmont area code303/720
Colorado Springs area code719Loveland area code970/720/303
Columbine area code303/720Northglenn area code303/720
Commerce City area code720/303Parker area code303/720
Denver area code720/303Pueblo area code719
Englewood area code303/720Security-widefield area code719
Fort Collins area code970Southglenn area code303/720
Grand Junction area code970Thornton area code720/303
Greeley area code970Westminster area code720/303

Cities within each Colorado Area Code

 

303 area code

303 area code timezone:
Mountain

Current time in area code 303:
12:15pm

4/2/1995: Area code 303 was split. Some of the phone numbers had to be updated to area code 970 on that date.


6/1/1998: Area code 720 was created as an overlay to area code 303. The two area codes serve the same area.


Area code 303 map

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Adams City
Af Acctg And Finance Ctr
Af Reserve Pers Ctr
Affiliated Banks Service Co
Allenspark
Arapahoe County Offices
Arvada
Att Information Systems
Aurora
Bailey
Bennett
Black Forest
Black Hawk
Blackhawk
Blue Cross Blue Shield Of Co
Boulder
Bow Mar
Brighton
Broomfield
Buckley Air Natl Guard Base
Buckley Ang
Buffalo Creek
Byers
Castle Rock
Centennial
Centennialxx
Central Bank And Trust
Central City
Cherry Hills Village
Colorado D M V Dept Of Rev
Colorado Dept Of Revenue
Columbine Valley
Commerce City
Conifer
Dacono
Deckers
Deer Trail
Denver
Denver Federal Center
Denver Water Board
Dumont
Dupont
East Lake
Eastlake
Edgewater
Elbert
Eldorado Springs
Elizabeth
Empire
Englewood
Erie
Evergreen
Federal Bldg/us Courthouse
Federal Heights
Fingerhut
Firestone
First Interstate Bank
Fort Logan
Fort Lupton
Foxfield
Foxton
Franktown
Frederick
Ft Logan
Ft Lupton
Georgetown
Glendale
Golden
Grant
Green Mountain
Greenwood Village
Henderson
Highlands
Highlands Ranch
Hudson
Hygiene
I B M
Idaho Springs
Idledale
Indian Hills
Irondale
Jamestown
Jefferson County
Keenesburg
Kiowa
Kittredge
Lafayette
Lakeside
Lakewood
Larkspur
Littleton
Littleton City Offices
Lochbuie
Lone Tree
Lonetree
Longmont
Louisville
Louviers
Lowry
Lyons
Montbello
Montclair
Morrison
National Farmers Union
Nederland
Neodata
Neodata Business Reply
Niwot
Northglenn
Norwest Bank Denver
Palmer Lake
Parker
Pine
Pinecliffe
Public Service Company
Residence Halls Univ Of Co
Roggen
Rollinsville
Sedalia
Shawnee
Sheridan
Silver Plume
Small Business Adm
Storage Technology Corp
Strasburg
Superior
Thornton
U S West Communications
Univ Of Colorado Med Ctr
University Of Colorado
University Of Denver
Us Bank
Us Court Of Appeals 10th Cir
Ward
Watkins
Wattenburg
Welby
Western Area
Westminster
Wheat Ridge
 

719 area code

719 area code timezone:
Mountain

Current time in area code 719:
12:15pm

Area code 719 map

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Adams State College
Agate
Aguilar
Alamosa
Alma
Alpine
Alpine Village
Amo
Antonito
Aqua Ramon
Arapahoe
Ark Valley Corr Facl
Arlington
Aroya
Arriba
Avondale
Barton
Baxter
Baxterville
Belle Plain
Bents Fort
Bents Old Fort
Beshoar Jct
Bessemer
Bethune
Beulah
Big Bend
Black Forest
Blanca
Blende
Bonanza City
Boncarbo
Boone
Bountiful
Bovina
Boyero
Brandon
Branson
Brewster
Bristol
Broadacre
Buckskin Joe
Buena Vista
Burlington
C O Interstate Gas
Cablevision
Caddoa
Cadet Station
Calhan
Campo
Canon City
Carlton
Carmel
Cascade
Cedarwood
Center
Chama
Cheney Center
Cheraw
Cheyenne Mountain Afb
Cheyenne Mt Complex
Cheyenne Mtn Afb
Cheyenne Wells
Chipita Park
Chivington
Cimarron Hills
Cleora
Climax
Cmafb
Co Spgs
Co Spgs Utilities
Coal Creek
Coaldale
Cokedale
Colorado City
Colorado College
Colorado Lottery
Colorado Springs
Columbia House
Como
Compassion International
Conejos
Consolidated Space Operation
Cotopaxi
Creede
Crestone
Cripple Creek
Crowley
Crystal Hills
Crystola
Csoc
Cuchara
Cuchara Valley
Current Inc
Del Norte
Delhi
Deora
Devine
Divide
Eads
East Alamosa
East Weston
Eastonville
Edison
Edler
El Moro
El Rito
Elkton
Ellicott
Ent Air Force Base
Espinoza
Estrella
Exchange Natl Bank
Fair View
Fairmont
Fairplay
Falcon
Falcon Afb
Farisita
Farista
Federal Correctional Complex
First National Bank
First View
Flagler
Florence
Florida
Florissant
Florissant Fossil Beds Natio
Focus On The Family
Forbes Park
Fort Bent
Fort Carson
Fort Garland
Fort Lyon
Fountain
Fowler
Fox Creek
Freeman
Ft Bent
Ft Carson
Ft Garland
Ft Lyon
G P O
Garcia
Gardner
Genoa
Goldfield
Granada
Granite
Great Sand Dunes National Mo
Green Mountain Falls
Greenwood
Guffey
Gulnare
Hartman
Hartsel
Hasty
Haswell
Hawley
Henry
Hillside
Hoehne
Holly
Homelake
Hooper
Horn Creek
Howard
Hugo
Ilse
Indian Creek
Iron City
Jansen
Jaroso
Jefferson
John Martin Reservoir
Johnson Village
Karval
Kim
Kit Carson
Koen
Kornman
La Isla
La Jara
La Junta
La Valley
La Veta
Lake George
Lamar
Lariat
Las Animas
Las Mesitas
Lascar
Leadville
Limon
Limon Correctional Facility
Lobatos
Los Fuertes
Los Pinas
Lubers
Ludlow
Lycan
Manassa
Manitou Springs
Manzanola
Masonic Park
Matheson
Maxey
Maxeyville
May Valley
Maysville
Mc Clave
Mesa
Mesita
Mirage
Model
Moffat
Mogote
Monarch
Monte Vista
Monument
Monument Lake Park
Monument Park
Morgan
Mosca
Mount Princeton
Mutual
Nathrop
Ninaview
North Avondale
North La Junta
Numa
Ojo
Olney Springs
Olympic Comm
Ordway
Ortiz
Paisaje
Palmer Lake
Parkdale
Penitentiary
Penrose
Peterson A F B
Peterson Afb
Peterson Air Force Base
Peyton
Pinon
Pinon Canyon
Plaza
Poncha Springs
Portland
Pritchett
Prospect Heights
Prowers
Pryor
Pueblo
Pueblo Army Depot
Pueblo Depot Activity
Pueblo West
Punkin Center
Ramah
Red Wing
Richfield
Roberta
Rockrimmon
Rockvale
Rocky Ford
Romeo
Rosita
Rush
Rye
Saguache
Saint Elmo
Salida
San Antonio
San Francisco
San Isabel
San Luis
San Miguel
San Pablo
San Pedro
San Rafeal
Sanford
Sangre De Cristo Ranches
Sargents School
Schriever Afb
Schriever Air Force Base
Schriever Air Station
Security
Segundo
Shady Camp
Sheridan Lake
Silver Cliff
Simla
Smeltertown
Sopris
South Fork
Spar City
Springfield
Stanley
Starkville
Stonewall
Stonington
Stratmoor Hills
Stratton
Sugar City
Summitville
Swink
Swissvale
Tanglewood Acres
Tarryall
Tercio
Texas Creek
Thatcher
Timber Lake
Timpas
Toltec
Toonerville
Torres Canon
Towner
Track City
Trinchera
Trinidad
Truckton
Turret
Twin Lakes
Twin Rock
Two Buttes
Tyrone
U S A F Academy
United States Air Force Acad
Us Olympic Committee
Usaf Academy
Ute Pass
Utleyville
Victor
Vigil
Vilas
Villa Grove
Villegreen
Vineland
Vroman
Wagon Wheel Gap
Wahatoya
Walsenburg
Walsh
Walter Drake
Washington
Waverly
Wellsville
West Farm
Westcliffe
Weston
Westwood Lake
Wetmore
Widefield
Wild Horse
Wildhorse Mesa
Wiley
Williamsburg
Woodland Park
Woodmoor
Yoder
 

720 area code

720 area code timezone:
Mountain

Current time in area code 720:
12:15pm

Area code 720 map

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Area code 720 is an overlay area code for area code 303. The two area codes serve the same area.
 

970 area code

970 area code timezone:
Mountain

Current time in area code 970:
12:15pm

Area code 970 map

Top

Akron
Allison
Almont
Amherst
Antlers
Anton
Appleton
Arboles
Arickaree
Arriola
Aspen
Aspen-gerbaz
Atwood
Ault
Austin
Avon
Axel
Baldwin
Basalt
Battlement Mesa
Bayfield
Bear Mine
Beaver Creek
Bedrock
Bellvue
Berthoud
Blue Mountain
Bond
Bowie
Breckenridge
Breen
Briggsdale
Browns Park
Brush
Buford
Burns
Cahone
Capulin
Carbondale
Cardiff
Carr
Cedaredge
Cement Creek
Chimney Rock
Chromo
Cimarron
Clark
Clifton
Coalby
Coalmont
Collbran
College Heights
Colona
Colorado National Monument
Colorado State University
Cope
Copper Mountain
Cortez
Cory
Cowdrey
Craig
Crawford
Crested Butte
Crested Butte So
Crook
Crystal
De Beque
Delta
Dillon
Dinosaur
Dolores
Dotsero
Dove Creek
Doyleville
Drake
Dunton
Durango
Eagle
East Orchard Mesa
East Vail
Eastman Kodak Co
Eaton
Eckert
Eckley
Edwards
Egnar
El Jebel
Elk Springs
Estes Park
Evans
Flagler
Fleming
Fort Collins
Fort Morgan
Fraser
Frisco
Fruita
Fruitvale
Ft Collins
Galeton
Garden City
Gateway
Gem Village
Gilcrest
Gill
Gilman
Glade Park
Glen Haven
Glenwood
Glenwood Spgs
Glenwood Springs
Granby
Grand Jct
Grand Junction
Grand Lake
Grand Mesa
Grand Valley
Greeley
Greystone
Grover
Gunnison
Gypsum
Hale
Hamilton
Haxtun
Hayden
Heeney
Hereford
Hermosa
Hesperus
Hillrose
Holyoke
Hot Sulphur Springs
Hotchkiss
Hovenweep National Monument
Hoyt
Idalia
Ignacio
Iliff
Indian Agency
Iola
Jacks Cabin
Joes
Johnstown
Julesburg
Kersey
Keystone
Kirk
Kline
Kremmling
La Salle
Laird
Lake City
Laporte
Lasauses
Last Chance
Lay
Lazear
Lewis
Lindon
Livermore
Log Lane Village
Loma
Loveland
Lucerne
Mack
Maher
Mancos
Marble
Marvel
Masonville
Massadona
Maybell
Mc Coy
Mead
Meeker
Meredith
Meridian Lake
Merino
Mesa
Mesa Verde National Park
Milliken
Minturn
Molina
Montezuma
Montrose
Mount Crested Butte
Mountain Village
Mt Crested Butte
Nast
Naturita
Navajo State Park
Nederland
New Castle
New Liberty
New Raymer
No Name
Norrie
Norwood
Nucla
Nunn
Oak Creek
Ohio City
Olathe
Old Snowmass
Ophir
Orchard
Orchard City
Otis
Ouray
Ovid
Oxford
Padroni
Pagoda
Pagosa Lakes
Pagosa Spgs
Pagosa Springs
Palisade
Pandora
Paoli
Paonia
Parachute
Paradox
Parlin
Parshall
Peetz
Phippsburg
Piedra
Piedre Park
Pierce
Pitkin
Placerville
Plateau City
Platteville
Pleasant View
Powderhorn
Purgatory
Rainbow
Rand
Rangely
Raymer
Red Cliff
Red Feather Lakes
Red Mountain
Redmesa
Redstone
Redvale
Rico
Ridgway
Rifle
Rio Blanco
Riverbend
Rocky Mountain National Park
Rogers Mesa
Ruedi
Rulison
Salida
San Acacio
Sanford
Sapinero
Sargents
Sawpit
Sedgwick
Seibert
Severance
Silt
Silver Creek
Silvercreek
Silverthorne
Silverton
Skyland
Slater
Slick Rock
Snowmass
Snowmass Village
Snyder
So Ute Indian Res
Somerset
Southern Ute Indian Reservat
Spring Creek
Squaw Point
State Farm Ins
Steamboat
Steamboat Springs
Sterling
Stoneham
Stoner
Sweetwater
Tabernash
Tamarron
Taylor Park
Teledyne Water Pik
Telluride
Tiffany
Timnath
Tincup
Toponas
Towaoc
Univ Of Northern Colorado
Ute Mountain Indian Reservat
Vail
Vallecito
Vernon
Virginia Dale
Vona
Walden
Weldona
Wellington
West Glenwood
West Vail
West Village
Western State College
White Pine
Whitewater
Wiggins
Willard
Windsor
Windy Point
Winter Park
Wolcott
Woodrow
Woody Creek
Wray
Yampa
Yellow Jacket
Yuma

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