Receive a local area code
720
You can get a business phone with Area Code 720 for free with Phonely. For less than $60 / Month, you can even equip your phone number with an AI phone receptionist that talks like a human and answeres FAQ's, schedules appointments, routes your calls and so much more.
Economic Overview
The 720 area code region is a major economic hub, anchored by the Denver metropolitan area. Key industries include aerospace, telecommunications, healthcare, technology, energy, and financial services, with major employers such as Lockheed Martin, Comcast, UCHealth, and DaVita. The region also benefits from a strong tourism sector, driven by proximity to the Rocky Mountains and a vibrant cultural scene.
Geographical Overview
Area code 720 covers much of north-central Colorado, primarily overlaying the same region as area code 303, including the city of Denver and its surrounding suburbs. It spans parts of Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson counties. Major cities in this area code include Denver, Aurora, Boulder, Lakewood, Littleton, Thornton, Westminster, Arvada, and Centennial.
Location Info
720 is an overlay area code for the Denver metropolitan area and nearby communities in north-central Colorado. Its boundaries closely mirror those of area code 303, covering the densely populated urban corridor along Interstate 25 from Thornton and Westminster in the north, through Denver, to Highlands Ranch and Parker in the south, and westward to Golden and Boulder.
Population Demographics
The 720 area code region is diverse, with a population exceeding 3 million people. It includes a mix of young professionals, families, and a growing Hispanic/Latino community, and is known for high educational attainment and a relatively high median household income compared to national averages.
Time Zone Info
Area code 720 is located entirely within the Mountain Time Zone (MT).
Other Area Code Details
Area code 720 was introduced in 1998 as an overlay to accommodate the growing demand for new numbers in the fast-growing Denver region. Ten-digit dialing is required for all calls within the area. The region is notable for its outdoor lifestyle, craft breweries, and as a gateway to the Rocky Mountains.
