Zip Area Code

Jefferson County, Colorado

Jefferson County, Colorado, has 31 towns and 34 ZIP codes, in area code 303, with 720 as an overlay.

Towns in Jefferson County, A to Z

TownZIP codesArea codes
Applewoodnearest80215, 80228, 80419303, 720, 983
Arvada80001, 80002, 80003, 80004, 80005, 80006 and more303, 720, 983
Aspen Parknearest80433303, 720, 983
Berkleynearest80003, 80030, 80221303, 720, 983
Bow Marnearest80110, 80123, 80236303, 720, 983
Broomfield80020, 80021, 80023, 80038303, 720, 983
Buffalo Creek80425303, 720, 983
Columbinenearest80120, 80123, 80128303, 720, 983
Columbine Valleynearest80110, 80120, 80123303, 720, 983
Conifer80433303, 720, 983
Dakota Ridgenearest80123, 80227, 80235303, 720, 983
Denver80201, 80202, 80203, 80204, 80205, 80206 and more303, 720, 983
East Pleasant Viewnearest80215, 80228, 80419303, 720, 983
Edgewaternearest80204, 80212, 80214303, 720, 983
Evergreen80437, 80439303, 720, 983
Fairmountnearest80002, 80004, 80033303, 720, 983
Geneseenearest80401, 80453, 80457303, 720, 983
Golden80401, 80402, 80403, 80419303, 720, 983
Idledale80453303, 720, 983
Indian Hills80454303, 720, 983
Ken Carylnearest80123, 80127, 80128303, 720, 983
Kittredge80457303, 720, 983
Lakesidenearest80033, 80211, 80212303, 720, 983
Lakewoodnearest80226, 80227, 80232303, 720, 983
Littleton80120, 80121, 80122, 80123, 80125, 80126 and more303, 720, 983
Morrison80465303, 720, 983
Mountain Viewnearest80211, 80212, 80214303, 720, 983
Pine80470303, 720, 983
Superiornearest80021, 80027, 80303303, 720, 983
West Pleasant Viewnearest80228, 80401, 80419303, 720, 983
Wheat Ridge80033, 80034303, 720, 983

ZIP codes in Jefferson County

Area codes in Jefferson County

  • Area code 303

    In service since 1947. Shares its area with 720 and 983. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 720

    In service since June 1, 1998. Shares its area with 303 and 983. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.