Number Details

Cities in Area Code 720

Arvada, Aurora, Bailey, Boulder, Brighton, Broomfield, Castle Rock, Denver, Englewood, Golden, Greenwood Village, Henderson, Lakewood, Littleton, Longmont, Lookout Mountain, Northglenn, Parker, Table Mesa, Westminster

Metropolitan Statisitical Areas in Area Code 720

Boulder, Denver, Aurora, Greeley

Counties in Area Code 720

Adams, Arapahoe, Boulder, Denver, Douglas, Weld

States / Provinces


*Approximate area serviced by the 720 area code

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