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3 days ago · 720 is an area code in the state of Colorado, US, serving Denver and other cities. Find out the current time, time zone offset, daylight saving time and location map of the 720 area code.
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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 code 303 is the original area code, while area codes 720 and 983 were added (1998, 2022 respectively) to form an overlay complex for the area, meaning that the same geographic service area is served by all area codes and that ten-digit dialing is required for all calls made within the service area.
1 day ago · Area Code 720 is a Colorado overlay for the 303 Area Code. It covers 26 cities and 9 counties, including Denver, Aurora, and Boulder, and has a population of 3,505,996.
Area Codes Search Notes. 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.
Sep 3, 2023 · Learn about the 720 area code, an overlay of the 303 area code that covers much of the Denver metropolitan area and its surrounding suburbs. Find out why people love living in the 720, what towns and cities use it, and how to call within or across the area code.
Find out the state, city, time zone, overlay, prefixes and companies of the 720 area code in Colorado. The 720 area code covers Denver and other major cities in the Central Colorado region.
