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720 Area Code. Area code 720 serves the state of Colorado. This area code was assigned on March 3rd, 1998. On June 1st, 1998 it went into service. 720 is a General Purpose Code. 720 service area does overlap with 303 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.
Area codes 303, 720 and 983 are telephone area codes in the North American Numbering Plan for the north-central portion of the U.S. state of Colorado. The numbering plan area comprises Denver and Boulder, as well as their surrounding suburbs, including Lakewood, Littleton, Longmont, Broomfield, Aurora, and Castle Rock.
4 days ago · 720 is an area code located in the state of Colorado, US. The largest city it serves is Denver. Location, time zone and map of the 720 area code
Area code 720 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial. It is an overlay for area code 303 and serves the same area.
Area Code 720 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,633,693 unique phone numbers and 1,944,518 individuals near the cities of Denver, Aurora, and Longmont.
Fixed phone numbers in the United States, state Colorado (area code 720) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly.
3 days ago · 720 Area Code located in Colorado, including 26 cities, 9 counties, 1 time zone, map, Census demographics, and 750 active prefixes.
Sep 3, 2023 · Geographic Coverage: The 720 area code primarily covers the Denver metropolitan area and its surrounding suburbs. It includes Denver County, as well as parts of several adjacent counties, such as Arapahoe, Adams, Jefferson, Boulder, and Douglas.
Area code 720 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial. It is an overlay for area code 303 and serves the same area. State: Colorado. Major City: Denver. Timezone: Mountain.
Profile and Interactive Map for Area Code 720 in Colorado - July, 2024.
