Area Code 720-810 : Area Code 720-898 is your one-stop site for area code lookup, phone number lookup, and free phone number reviews. Following is reverse lookup detail & reviews for area code 720 8xx including 720 area code location map. Major cities such as Denver, Aurora, Longmont covered within area code 720 8xx are also listed on this page. More area codes, including those outside of Colorado, are on the homepage.

Reverse Lookup Detail for Area Code 720 8xx

Area code 720 covers part of Coloradostate, covering most of Jefferson, Denver, Arapahoe, Adams, Boulder counties. It was started on Feb 27, 1999. This region follows (UTC-07:00) timezone. Other popular area codes that belong to Colorado state include 303, 719, 970.

Area Code 720-810 - Area Code 720-898 (Covers 720 8xx xxxx phone numbers)

Area CodeCityCountyPopulationNetwork Operator
720-810AuroraArapahoe488 812Cellco Partnership Dba Verizon Wireless - Co
720-833DenverDenver555 835Qwest Corporation
720-834DenverArapahoe488 836Teleport Communications Group - Co
720-836DenverJefferson527 838Icg Telecom Group - Co
720-837DenverDenver555 839Sprint Spectrum L.p.
720-838DenverDenver555 840Sprint Spectrum L.p.
720-839DenverDenver555 841Sprint Spectrum L.p.
720-840DenverDenver555 842Sprint Spectrum L.p.
720-841DenverDenver555 843Sprint Spectrum L.p.
720-842DenverJefferson527 844Qwest Corporation
720-848AuroraArapahoe488 850Qwest Corporation
720-849DenverJefferson527 851Qwest Wireless, Llc
720-851DenverJefferson527 853Qwest Corporation
720-852DenverJefferson527 854Qwest Corporation
720-854DenverDenver555 856Qwest Corporation
720-855DenverDenver555 857Qwest Corporation
720-857AuroraArapahoe488 859Qwest Corporation
720-858AuroraArapahoe488 860Qwest Corporation
720-859AuroraArapahoe488 861Qwest Corporation
720-862AuroraDenver555 864Xo Colorado, Llc
720-863DenverAdams364 865Xo Colorado, Llc
720-864LongmontBoulder291 866Qwest Corporation
720-865DenverDenver555 867Icg Telecom Group - Co
720-867DenverJefferson527 869
720-870DenverJefferson527 872Qwest Corporation
720-872DenverAdams364 874Qwest Corporation
720-873DenverJefferson527 875Qwest Corporation
720-874DenverJefferson527 876Qwest Corporation
720-875DenverJefferson527 877Qwest Corporation
720-876DenverJefferson527 878Qwest Corporation
720-877DenverJefferson527 879Icg Telecom Group - Co
720-878DenverJefferson527 880Icg Telecom Group - Co
720-879DenverJefferson527 881Icg Telecom Group - Co
720-880DenverJefferson527 882Icg Telecom Group - Co
720-881DenverJefferson527 883Icg Telecom Group - Co
720-882DenverJefferson527 884Icg Telecom Group - Co
720-883DenverJefferson527 885Icg Telecom Group - Co
720-884DenverDenver555 886Qwest Corporation
720-886DenverJefferson527 888Qwest Corporation
720-887DenverAdams364 889Qwest Corporation
720-888DenverAdams364 890Qwest Corporation
720-889DenverDenver555 891Allegiance Telecom Of Colorado, Inc.
720-890DenverJefferson527 892Qwest Corporation
720-891DenverJefferson527 893Level 3 Communications, Llc - Co
720-895DenverJefferson527 897Qwest Corporation
720-897DenverJefferson527 899Global Crossing Local Services, Inc.-co
720-898DenverJefferson527 900Qwest Corporation


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720 Area Code

At, you'll find current information on 720area code, including 720 area code location & map. Other phone area code may be searched using's area code locator service on the homepage. Use the phone number search function above to instant verify area code lookup & phone number lookup.

Colorado Area Codes Directory provides a free area codes directory with detailed information on the various USA area codes, area codes listing, and other area codes phone details. also lists international area codes within the North American Numbering Plan. And you can verify owners of phone numbers using the reverse number lookup service by entering a 10 digit phone number in the top most text box.

720 Area Code Finder

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Colorado Area Code Lookup is an excellent resource for area code lookup and reverse number lookup. Here you'll find area codes, city, county, population & operator list table of area codes within the United States. Also, you can verify owners of phone numbers with full name & address information for background check. For a full list of area codes, visit home page. It provides drilldown for USA area codes and area code location maps.

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Telephone/Landline Area Codes is a resource of North American telephone area codes. Beyond area code listings, relevant information about each area code is detailed. For example, this page details area code 720-8. You can also search area codes by state, and within the NANP, find country area codes.

Free Area Codes Locator for Colorado

The area codes locator shows the coverage area for each phone number area code. Area code locations are also listed by city next to the area code maps on this page. Also, read reviews within an area code.

720 Area Code Reviews provides local reviews for phone numbers and aggregates results per area code. It shows you the area code location covered by each area code; for example, the LA area code reveiws covers local business phone numbers area in Los Angeles. This page details area code 720-8. All USA states area codes may be found using

Telephone Area Codes in Colorado

The telephone area code prefixes local phone numbers & is not required to be dialed. For area codes by city, search Area codes telephone differ from region to region, and in some places the area code must be dialed even when calling locally within that region. Find out more with area code decoder.

External links & resources for area code 720 in Colorado

  • CitySites Pages for Colorado (Source: Official CitySites)
  • Wikipedia Article on Area Code 720 (Source: Wikipedia)
  • State Information Resources for Colorado (Source: State Information)