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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
720-323 Denver, CO Jefferson Cell Number
720-324 Aurora, CO Arapahoe Landline
720-325 Aurora, CO Denver Cell Number
720-326 Denver, CO Jefferson Cell Number
720-327 Denver, CO Jefferson Cell Number
720-328 Denver, CO Denver Landline
720-329 Denver, CO Jefferson Cell Number
720-330 Denver, CO Denver Landline
720-331 Denver, CO Jefferson Cell Number
720-332 Denver, CO Jefferson Landline
720-333 Denver, CO Jefferson Cell Number
720-334 Denver, CO Jefferson Cell Number
720-335 Denver, CO Jefferson Cell Number
720-336 Keenesburg, CO Weld Landline
720-337 Denver, CO Jefferson Landline
720-338 Denver, CO Jefferson Cell Number
720-339 Denver, CO Denver Cell Number
720-340 Longmont, CO Boulder Cell Number
720-341 Denver, CO Jefferson Cell Number
720-342 Denver, CO Jefferson 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.