Area code 720 is used for the following cities:
Click on any city to see time zone and surise sunset time.
- USA - Colorado - Arvada (+1-720)
- USA - Colorado - Aurora (+1-720)
- USA - Colorado - Bennett (+1-720)
- USA - Colorado - Boulder (+1-720)
- USA - Colorado - Bow Mar (+1-720)
- USA - Colorado - Brighton (+1-720)
- USA - Colorado - Broomfield (+1-720)
- USA - Colorado - Castle Pines (+1-720)
- USA - Colorado - Castle Rock (+1-720)
- USA - Colorado - Centennial (+1-720)
- USA - Colorado - Central City (+1-720)
- USA - Colorado - Cherry Hills Village (+1-720)
- USA - Colorado - Columbine Valley (+1-720)
- USA - Colorado - Commerce City (+1-720)
- USA - Colorado - Deer Trail (+1-720)
- USA - Colorado - Denver (+1-720)
- USA - Colorado - Edgewater (+1-720)
- USA - Colorado - Empire (+1-720)
- USA - Colorado - Englewood (+1-720)
- USA - Colorado - Erie (+1-720)
- USA - Colorado - Federal Heights (+1-720)
- USA - Colorado - Firestone (+1-720)
- USA - Colorado - Foxfield (+1-720)
- USA - Colorado - Frederick (+1-720)
- USA - Colorado - Georgetown (+1-720)
- USA - Colorado - Glendale (+1-720)
- USA - Colorado - Golden (+1-720)
- USA - Colorado - Greenwood Village (+1-720)
- USA - Colorado - Highlands Ranch (+1-720)
- USA - Colorado - Idaho Springs (+1-720)
- USA - Colorado - Kiowa (+1-720)
- USA - Colorado - Lafayette (+1-720)
- USA - Colorado - Lakeside (+1-720)
- USA - Colorado - Lakewood (+1-720)
- USA - Colorado - Larkspur (+1-720)
- USA - Colorado - Littleton (+1-720)
- USA - Colorado - Lochbuie (+1-720)
- USA - Colorado - Lone Tree (+1-720)
- USA - Colorado - Longmont (+1-720)
- USA - Colorado - Louisville (+1-720)
- USA - Colorado - Lyons (+1-720)
- USA - Colorado - Morrison (+1-720)
- USA - Colorado - Mountain View (+1-720)
- USA - Colorado - Northglenn (+1-720)
- USA - Colorado - Parker (+1-720)
- USA - Colorado - Sheridan (+1-720)
- USA - Colorado - Silver Plume (+1-720)
- USA - Colorado - Superior (+1-720)
- USA - Colorado - Thornton (+1-720)
- USA - Colorado - Westminster (+1-720)