The 720 area code belongs to the state of Colorado (CO) and some of the locations covered are Boulder, Denver, Westminster and more:
| State | Larger cities in area code 720 | Time Zone |
|---|---|---|
| CO Colorado |
Arvada, Aurora, Boulder, Broomfield, Castlewood, Columbine, Denver, Englewood, Highlands Ranch, Ken Karyl, Lakewood, Littleton, Longmont, Northglenn, Southglenn, Thornton, Westminster, Wheat Ridge More cities |
MOUNTAIN Current time is
08:10:45 AM |
| -- overlays area code 303 -- | ||