Area Code

Cities

303

Allenspark, Arvada, Aurora, Bailey, Bennett, Black Hawk, Boulder, Brighton, Broomfield, Buffalo Creek, Byers, Castle Rock, Central City, Commerce City, Conifer, Dacono, Deer Trail, Denver, Dumont, Dupont, Eastlake, Eldorado Springs, Elizabeth, Empire, Englewood, Erie, Evergreen, Firestone, Fort Lupton, Foxton, Franktown, Frederick, Georgetown, Golden, Grant, Henderson, Highlands Ranch, Hudson, Hygiene, Idaho Springs, Idledale, Indian Hills, Jamestown, Keenesburg, Kittredge, Lafayette, Larkspur, Littleton, Longmont, Louisville, Louviers, Lyons, Morrison, Niwot, Palmer Lake, Parker, Pine, Pinecliffe, Roggen, Sedalia, Shawnee, Silver Plume, Strasburg, Ward, Watkins, Westminster, Wheat Ridge

719

Agate, Aguilar, Alamosa, Alma, Antonito, Arapahoe, Arlington, Arriba, Avondale, Bethune, Beulah, Blanca, Boncarbo, Boone, Brandon, Branson, Bristol, Buena Vista, Burlington, Calhan, Campo, Canon City, Capulin, Cascade, Center, Chama, Cheraw, Cheyenne Wells, Coal Creek, Coaldale, Colorado City, Colorado Springs, Como, Conejos, Cotopaxi, Creede, Crestone, Cripple Creek, Crowley, Del Norte, Divide, Eads, Elbert, Fairplay, Flagler, Florence, Florissant, Fort Garland, Fort Lyon, Fountain, Fowler, Garcia, Gardner, Genoa, Granada, Granite, Green Mountain Falls, Guffey, Gulnare, Hartman, Hartsel, Hasty, Haswell, Hillside, Hoehne, Holly, Homelake, Hooper, Howard, Hugo, Jaroso, Jefferson, Karval, Kim, Kiowa, Kit Carson, La Jara, La Junta, La Veta, Lake George, Lamar, Las Animas, Leadville, Limon, Manassa, Manitou Springs, Manzanola, Matheson, Mc Clave, Model, Moffat, Monarch, Monte Vista, Monument, Mosca, Nathrop, Olney Springs, Ordway, Penrose, Peyton, Poncha Springs, Pritchett, Pueblo, Ramah, Red Wing, Rockvale, Rocky Ford, Romeo, Rush, Rye, Saguache, Salida, San Acacio, San Luis, San Pablo, Sanford, Sargents, Sheridan Lake, Simla, South Fork, Springfield, Starkville, Stratton, Sugar City, Swink, Towner, Trinchera, Trinidad, Twin Lakes, Two Buttes, U S A F Academy, Victor, Vilas, Villa Grove, Walsenburg, Walsh, Westcliffe, Weston, Wetmore, Wild Horse, Wiley, Woodland Park, Yoder

970

Akron, Almont, Amherst, Anton, Arboles, Aspen, Atwood, Ault, Austin, Avon, Basalt, Battlement Mesa, Bayfield, Bedrock, Bellvue, Berthoud, Bond, Breckenridge, Briggsdale, Brush, Burns, Cahone, Carbondale, Carr, Cedaredge, Chimney Rock, Chromo, Cimarron, Clark, Clifton, Climax, Coalmont, Collbran, Cope, Cortez, Cory, Cowdrey, Craig, Crawford, Crested Butte, Crook, De Beque, Delta, Dillon, Dinosaur, Dolores, Dove Creek, Drake, Durango, Eagle, Eaton, Eckert, Eckley, Edwards, Egnar, El Jebel, Estes Park, Evans, Fleming, Fort Collins, Fort Morgan, Fraser, Frisco, Fruita, Galeton, Gateway, Gilcrest, Gill, Glade Park, Glen Haven, Glenwood Springs, Granby, Grand Junction, Grand Lake, Greeley, Grover, Gunnison, Gypsum, Hamilton, Haxtun, Hayden, Hereford, Hesperus, Hillrose, Holyoke, Hot Sulphur Springs, Hotchkiss, Idalia, Ignacio, Iliff, Joes, Johnstown, Julesburg, Kersey, Kirk, Kremmling, La Salle, Lake City, Laporte, Lazear, Lewis, Lindon, Livermore, Log Lane Village, Loma, Longmont, Loveland, Lucerne, Mack, Maher, Mancos, Marvel, Masonville, Maybell, Mc Coy, Mead, Meeker, Meredith, Merino, Mesa, Mesa Verde National Park, Milliken, Minturn, Molina, Montrose, Naturita, Nederland, New Castle, New Raymer, Norwood, Nucla, Nunn, Oak Creek, Ohio City, Olathe, Ophir, Orchard, Otis, Ouray, Ovid, Padroni, Pagosa Springs, Palisade, Paoli, Paonia, Parachute, Paradox, Parlin, Parshall, Peetz, Phippsburg, Pierce, Pitkin, Placerville, Platteville, Pleasant View, Powderhorn, Rand, Rangely, Red Cliff, Red Feather Lakes, Redvale, Rico, Ridgway, Rifle, Rollinsville, Sedgwick, Seibert, Severance, Silt, Silverthorne, Silverton, Slater, Snowmass, Snowmass Village, Snyder, Somerset, Steamboat Springs, Sterling, Stoneham, Tabernash, Telluride, Texas Creek, Timnath, Toponas, Towaoc, Vail, Vernon, Vona, Walden, Weldona, Wellington, Whitewater, Wiggins, Windsor, Winter Park, Wolcott, Woodrow, Woody Creek, Wray, Yampa, Yellow Jacket, Yuma