World Time Zone Map Area Codes Lookup United States Colorado

Colorado Area Codes

Area code lookup

Colorado is currently using 4 area codes

303 Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, Boulder, Longmont, Broomfield, Castle Rock
719 Colorado Springs, Pueblo, Fountain, Canon City, Alamosa, Trinidad, Lamar, Woodland Park, La Junta, Monument
720 Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, Boulder, Longmont, Broomfield, Castle Rock
970 Fort Collins, Greeley, Loveland, Grand Junction, Windsor, Evans, Montrose, Durango, Johnstown, Sterling

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