Colorado Dial Codes

  Denver Time

United States Phone Code: 1

Denver Area Code: 303

Denver Dial Code: +1 303


City Area CodeDialing Code
Arvada720+1 720
Aspen970+1 970
Aurora630+1 630
Boulder303+1 303
Brighton303+1 303
Broomfield720+1 720
Canon City719+1 719
Castle Rock303+1 303
Colorado Springs719+1 719
Commerce City303+1 303
Denver303+1 303
Durango970+1 970
Englewood720+1 720
Erie814+1 814
Fort Collins970+1 970
Golden303+1 303
Grand Junction970+1 970
Greeley970+1 970
Lafayette337+1 337
Lakewood303+1 303
Littleton720+1 720
Longmont720+1 720
Louisville502+1 502
Loveland970+1 970
Montrose970+1 970
Parker303+1 303
Pueblo719+1 719
Westminster720+1 720
Wheat Ridge303+1 303
Windsor519+1 519
List of People with a Colorado Dial Code Widget