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Area Code 720 - Denver, CO

Below is the information for Area Code 720
General Information for Area Code 720
Country United States
State/Province Colorado
Major City Denver
Time Zone Mountain

Phone directory of numbers beginning with Area Code 720 Prefixes

Prefix Primary City County Phone Type
720-301 Denver, CO Jefferson Cell Number
720-302 Denver, CO Arapahoe Landline
720-304 Denver, CO Jefferson Landline
720-305 Denver, CO Jefferson Landline
720-306 Denver, CO Denver Landline
720-307 Lyons, CO Larimer Landline
720-308 Denver, CO Jefferson Landline
720-309 Denver, CO Jefferson Cell Number
720-310 Lyons, CO Larimer Landline
720-312 Denver, CO Jefferson Cell Number
720-313 Denver, CO Jefferson Cell Number
720-314 Denver, CO Jefferson Cell Number
720-315 Denver, CO Jefferson Landline
720-316 Denver, CO Denver Landline
720-317 Denver, CO Denver Cell Number
720-318 Denver, CO Denver Cell Number
720-319 Denver, CO Jefferson Cell Number
720-320 Denver, CO Jefferson Cell Number
720-321 Denver, CO Jefferson Landline
720-322 Denver, CO Denver Landline
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Location Details

Area code is a type of numbering scheme used in telecommunication. It divides the territories of its member countries, the code is a three-digit code. The digits 0 and 1 applied for central office codes. Other digits were applied into geographic areas of the service territory.

  • 200: easily recognizable code (ERC)
  • 201: New Jersey
  • 202: Washington, D.C.
  • 203: Connecticut
    • and so on.

If you want to get more informatons of the areacode, Input an areacode into the above search area, get what you want.