720 Area Code: The Ins and Outs of Denver Number
Area code 720 is the telephone area code in the North American Numbering Plan, which covers the Denver metropolitan area in Colorado, which includes 26 cities and nine counties. Denver, Aurora, Thornton, Arvada, and Boulder are the major cities, whereas Denver, Jefferson, Arapahoe, Weld, and Adams are major counties. Area code 720 has an overlay […]