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720-421

You are reviewing the Area Code (NPA/NXX) report for 720-421. Did you mean to search the SMS short code 720421?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number720421
Basic Format720-421
NPA (Area Code)720
NXX421

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
720-421-0XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-1XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-2XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-3XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-4XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-5XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-6XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-7XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-8XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-9XXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCOWE05/18/2009
720-421-XXXX6529T-MOBILE USA, INC.DENVERAS03/20/2009DENVERCO

Business/Government Phones on the 720-421 Prefix

PhoneNameAddress
720-421-6753Maxyfi
720-421-7556Wonderful Massage Spa3820 West 10th Street Greeley 80634-9998 US
720-421-9456Palos Verdes Apartments20-30 South Washington Street Denver 80209 US

Reports

Anonymous User from Desert Hot Springs, California

August 26, 2025 at 12:13 AM

720-421-3031 reported as a Robocall. Received on August 25, 2025 at 2:12 PM.

Anonymous User from , MD

July 16, 2023 at 2:02 PM

720-421-7622 reported as a Robocall. Received on July 10, 2023 at 11:11 AM.
Call for Dropped call or no message

Anonymous User from , CO

May 31, 2023 at 7:22 PM

720-421-3190 reported as a Robocall. Received on May 31, 2023 at 5:05 PM.

Anonymous User from Parker, Colorado

May 31, 2023 at 2:49 PM

720-421-2108 reported as a Robocall. Received on March 23, 2023 at 1:27 PM.

Anonymous User from Littleton, Colorado

May 22, 2023 at 2:00 PM

720-421-5603 reported as a Live Voice or Other. Received on May 22, 2023 at 11:53 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , TX

May 8, 2023 at 6:02 PM

720-421-1513 reported as a Robocall. Received on May 8, 2023 at 4:59 AM.

Anonymous User from Littleton, Colorado

April 26, 2023 at 3:19 PM

720-421-7650 reported as a Live Voice or Other. Received on April 26, 2023 at 10:50 AM.

Anonymous User from , CO

April 10, 2023 at 11:58 AM

720-421-1513 reported as a Robocall. Received on April 6, 2023 at 4:40 PM.
Call for Dropped call or no message

Anonymous User from , CO

April 10, 2023 at 11:57 AM

720-421-1513 reported as a Robocall. Received on April 6, 2023 at 4:36 PM.
Call for Dropped call or no message

Anonymous User from , CO

March 31, 2023 at 8:37 PM

720-421-1513 reported as a Robocall. Received on March 31, 2023 at 11:22 AM.
Call for Dropped call or no message

Anonymous User from , CO

March 31, 2023 at 8:36 PM

720-421-1513 reported as a Robocall. Received on March 31, 2023 at 11:20 AM.
Call for Dropped call or no message

Anonymous User from , CO

March 29, 2023 at 10:57 PM

720-421-1513 reported as a Robocall. Received on March 27, 2023 at 4:26 PM.
Call for Dropped call or no message

Anonymous User from , CO

March 29, 2023 at 10:56 PM

720-421-1513 reported as a Robocall. Received on March 29, 2023 at 6:50 PM.
Call for Dropped call or no message

Anonymous User from , CO

March 29, 2023 at 10:54 PM

720-421-1513 reported as a Robocall. Received on March 22, 2023 at 6:34 PM.
Call for Dropped call or no message

Anonymous User from , CO

March 16, 2023 at 4:47 PM

720-421-1513 reported as a Robocall. Received on February 27, 2023 at 11:50 AM.
Call for Dropped call or no message

Anonymous User from , CO

March 16, 2023 at 11:10 AM

720-421-1513 reported as a Robocall. Received on March 9, 2023 at 11:43 AM.
Call for Medical & prescriptions

Anonymous User from Littleton, Colorado

March 9, 2023 at 12:09 PM

720-421-6623 reported as a Live Voice or Other. Received on March 9, 2023 at 9:27 AM.

Anonymous User from Greensboro, North Carolina

February 9, 2023 at 2:13 PM

720-421-1513 reported as a Live Voice or Other. Received on February 9, 2023 at 2:08 PM.

Anonymous User from Denver, Colorado

December 28, 2022 at 4:11 PM

720-421-3031 reported as a Robocall. Received on December 28, 2022 at 11:52 AM.
Call for Dropped call or no message

Anonymous User from , CO

December 19, 2022 at 5:38 PM

720-421-1513 reported as a Robocall. Received on December 19, 2022 at 12:00 PM.
Call for Work from home & other ways to make money

Anonymous User from New Orleans, Louisiana

November 16, 2022 at 1:40 PM

720-421-1513 reported as a unwanted call. Received on November 14, 2022 at 10:05 AM.
Call for Dropped call or no message

Anonymous User from Nacogdoches, Texas

November 11, 2022 at 11:34 AM

720-421-6313 reported as a Live Voice or Other. Received on November 10, 2022 at 10:14 AM.
Call for Vacation & timeshares

Anonymous User from Aurora, Colorado

August 1, 2022 at 10:15 AM

720-421-3135 reported as a Robocall. Received on August 1, 2022 at 8:09 AM.
Call for Warranties & protection plans

Anonymous User from Louisville, Colorado

June 29, 2022 at 2:37 PM

720-421-9182 reported as a Live Voice or Other. Received on June 29, 2022 at 12:31 PM.

Most 'popular' numbers on this prefix:

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720-421-6XXX: 720-421-6311 | 720-421-6314 | 720-421-6317 | 720-421-6362 | 720-421-6363 | 720-421-6369 | 720-421-6600 | 720-421-6622 | 720-421-6623 | 720-421-6624 | 720-421-6652 | 720-421-6656 | 720-421-6752 | 720-421-6753 | 720-421-6757 | 720-421-6762 | 720-421-6763 | 720-421-6767 |
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720-421-8XXX: 720-421-8000 | 720-421-8020 | 720-421-8080 | 720-421-8091 | 720-421-8096 | 720-421-8099 | 720-421-8250 | 720-421-8255 | 720-421-8258 | 720-421-8282 | 720-421-8283 | 720-421-8414 | 720-421-8415 | 720-421-8417 | 720-421-8453 |
720-421-9XXX: 720-421-9180 | 720-421-9187 | 720-421-9188 | 720-421-9192 | 720-421-9195 | 720-421-9197 |