Most numbers within Area Code 720 are located in the following cities: Denver, Longmont, Brighton, Louisville, Lyons, Keenesburg, Hudson, Fort Lupton, Georgetown, Deer Trail, Sedalia, Englewood, Palestine, Pensacola, Boulder, Westminster, Houston, Directory Assistance, Aurora, Cottage Grove, Lansing, Adrian, Chaparral, Lafayette, Beaver, Fort Campbell, Loveland, Las Vegas, Arvada, Fargo, Golden, Cambridge, Millinocket, Intralata Pic Validation, Chillicothe, Grand Junction, Castle Rock, Nixa, Conifer, Brandon, Katy, Littleton, Commerce City, Manitowoc, Amarillo, Gainesville, San Antonio, Humble, Wethersfield, Bowling Green, Manassas, Evergreen, Wheat Ridge, Parker, Bozeman, Dallas, Machesney Park, Lufkin, Fort Collins, Green Bay, Palmetto, Fontana, Fort Morgan, Sweeny, Phoenix, FGB Access Code, Topeka, Manhattan, Henderson, Standard Plant Test Code, La Place, Rochester, Information Provider, Morrison.
About Denver, Colorado
Denver, officially the City and County of Denver, is the capital and most populous municipality of the U.S. state of Colorado. Denver is in the South Platte River Valley on the western edge of the High Plains just east of the Front Range of the Rocky Mountains. The Denver downtown district is immediately east of the confluence of Cherry Creek with the South Platte River, approximately 12 mi (19 km) east of the foothills of the Rocky Mountains. Denver is nicknamed the Mile-High City because its official elevation is exactly one mile (5280 feet or 1609.3 meters) above sea level, making it the highest major city in the United States. The 105th meridian west of Greenwich, the longitudinal reference for the Mountain Time Zone, passes directly through Denver Union Station.Denver is ranked as a Beta- world city by the Globalization and World Cities Research Network. With a 2015 estimated population of 682,545, Denver ranks as the 19th-most populous U.S. city, and with a 2.8% increase in 2015, the city is also the fastest-growing major city in the United States. The 10-county Denver-Aurora-Lakewood, CO Metropolitan Statistical Area had an estimated 2015 population of 2,814,330 and ranked as the 19th most populous U.S. metropolitan statistical area. The 12-city Denver-Aurora, CO Combined Statistical Area had an estimated 2015 population of 3,418,876, which ranks as the 16th most populous U.S. metropolitan area. Denver is the most populous city of the 18-county Front Range Urban Corridor, an oblong urban region stretching across two states with an estimated 2015 population of 4,757,713. Denver is the most populous city within a 500-mile (800 km) radius and the second-most populous city in the Mountain West after Phoenix, Arizona. In 2016, Denver was named the best place to live in the USA by U.S. News & World Report.