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720-257

You are reviewing the Area Code (NPA/NXX) report for 720-257. Did you mean to search the SMS short code 720257?

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Raw Number720257
Basic Format720-257
NPA (Area Code)720
NXX257

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
720-257-0XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERRTDENVERCOWE
720-257-1XXX6529T-MOBILE USA, INC.DENVERAS03/07/2006DENVERCOWE04/06/2006
720-257-2XXX6529T-MOBILE USA, INC.DENVERAS03/07/2006DENVERCOWE04/06/2006
720-257-3XXX6529T-MOBILE USA, INC.DENVERAS03/07/2006DENVERCOWE04/06/2006
720-257-4XXX6529T-MOBILE USA, INC.DENVERAS03/07/2006DENVERCOWE04/06/2006
720-257-5XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERAS08/17/2006DENVERCOWE09/14/2006
720-257-6XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERAS08/17/2006DENVERCOWE09/14/2006
720-257-7XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERAS08/17/2006DENVERCOWE09/14/2006
720-257-8XXX6529T-MOBILE USA, INC.DENVERAS10/30/2007DENVERCOWE11/29/2007
720-257-9XXX078FBANDWIDTH.COM CLEC, LLC - CODENVERAS10/24/2008DENVERCOWE11/20/2008
720-257-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERASDENVERCO

Business/Government Phones on the 720-257 Prefix

PhoneNameAddress
720-257-4749B & B Company LLC
720-257-5346The Law Office of Kimberly Diego
720-257-8155Dryer Vent Techs LLC
720-257-8272Pinedo Pipeline Solutions LLC
720-257-7753Kb Wellness Center888 South Jason Street Denver 80223 US
720-257-9211Kellcat Bookkeeping, LLC9032 Star Fall Circle Littleton 80125 US
720-257-9249Shock Rehab1141 Atchison Court Castle Rock 80109 US
720-257-9866Honnibrook Craft Meadery2276 Manatt Court Castle Rock 80104 US

Reports

Anonymous User from Thornton, Colorado

November 24, 2025 at 4:51 PM

720-257-9517 reported as a Robocall. Received on November 15, 2025 at 12:44 PM.

Anonymous User from , CO

September 14, 2025 at 2:53 PM

720-257-9958 reported as a unwanted call. Received on September 12, 2025 at 3:36 PM.
Call for No Subject Provided

Anonymous User from Aurora, Colorado

May 7, 2025 at 6:32 PM

720-257-0528 reported as a Robocall. Received on May 5, 2025 at 8:00 AM.
Call for No Subject Provided

Anonymous User from Aurora, Colorado

May 5, 2025 at 3:37 PM

720-257-0528 reported as a Robocall. Received on May 5, 2025 at 12:00 PM.
Call for No Subject Provided

Anonymous User from Centennial, Colorado

April 4, 2025 at 12:31 PM

720-257-5359 reported as a Live Voice or Other. Received on April 3, 2025 at 2:50 PM.

Anonymous User from Los Alamos, New Mexico

December 29, 2024 at 2:44 PM

720-257-7346 reported as a Robocall. Received on December 20, 2024 at 7:32 AM.

Anonymous User from , CO

August 14, 2023 at 1:13 PM

720-257-2937 reported as a Live Voice or Other. Received on August 14, 2023 at 12:25 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CO

August 14, 2023 at 1:07 PM

720-257-2937 reported as a Robocall. Received on August 14, 2023 at 12:25 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Denver, Colorado

June 15, 2023 at 12:02 PM

720-257-1610 reported as a Robocall. Received on June 15, 2023 at 9:56 AM.

Anonymous User from , NY

February 6, 2023 at 4:29 PM

720-257-9421 reported as a Live Voice or Other. Received on February 1, 2023 at 12:05 PM.
Call for No Subject Provided

Anonymous User from , CO

August 19, 2022 at 1:15 PM

720-257-6088 reported as a Robocall. Received on August 19, 2022 at 11:14 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , AZ

June 9, 2022 at 10:05 PM

720-257-4071 reported as a unwanted call. Received on June 9, 2022 at 4:49 PM.
Call for No Subject Provided

Anonymous User from Orlando, FL

August 31, 2021 at 10:39 PM

720-257-8481 reported as a Text Message. Received on August 31, 2021 at 6:01 PM.
Unwanted call for other_services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

March 17, 2017 at 7:37 PM

346-208-1112 reported as a Prerecorded Voice. Received on March 17, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 720-257-0747
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

March 16, 2017 at 9:13 PM

346-208-1112 reported as a Prerecorded Voice. Received on March 15, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 720-257-0747
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

March 14, 2017 at 8:41 PM

None reported as a Live Voice. Received on March 14, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 720-257-0747
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , NM

December 15, 2016 at 2:55 AM

None reported as a Prerecorded Voice. Received on November 30, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 720-257-0747
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

December 12, 2016 at 5:41 PM

720-257-0747 reported as a Prerecorded Voice. Received on December 12, 2016 at 12:00 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , IL

December 4, 2014 at 11:39 PM

reported as a Live Voice. Received on December 4, 2014 at 4:01 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 720-257-5239
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

720-257-0XXX: 720-257-0733 | 720-257-0734 | 720-257-0743 | 720-257-0748 | 720-257-0749 | 720-257-0753 |
720-257-1XXX: 720-257-1600 | 720-257-1608 | 720-257-1610 | 720-257-1615 | 720-257-1616 | 720-257-1647 |
720-257-2XXX: 720-257-2000 | 720-257-2006 | 720-257-2007 | 720-257-2052 | 720-257-2053 | 720-257-2054 | 720-257-2500 | 720-257-2507 | 720-257-2525 | 720-257-2594 | 720-257-2596 | 720-257-2599 | 720-257-2600 | 720-257-2611 | 720-257-2612 | 720-257-2614 | 720-257-2667 | 720-257-2900 | 720-257-2930 | 720-257-2931 | 720-257-2933 | 720-257-2992 | 720-257-2998 |
720-257-3XXX: 720-257-3163 | 720-257-3166 | 720-257-3169 | 720-257-3196 | 720-257-3920 | 720-257-3924 | 720-257-3929 | 720-257-3937 | 720-257-3939 | 720-257-3982 | 720-257-3983 | 720-257-3984 |
720-257-4XXX: 720-257-4000 | 720-257-4040 | 720-257-4062 | 720-257-4070 | 720-257-4077 | 720-257-4078 | 720-257-4745 | 720-257-4747 | 720-257-4749 | 720-257-4787 |
720-257-5XXX: 720-257-5230 | 720-257-5232 | 720-257-5239 | 720-257-5247 | 720-257-5340 | 720-257-5343 | 720-257-5345 | 720-257-5357 | 720-257-5387 |
720-257-6XXX: 720-257-6008 | 720-257-6020 | 720-257-6060 | 720-257-6080 | 720-257-6083 | 720-257-6088 |
720-257-7XXX: 720-257-7000 | 720-257-7040 | 720-257-7070 | 720-257-7077 | 720-257-7078 | 720-257-7343 | 720-257-7348 | 720-257-7349 | 720-257-7371 | 720-257-7372 | 720-257-7373 | 720-257-7600 | 720-257-7620 | 720-257-7623 | 720-257-7624 | 720-257-7700 | 720-257-7753 | 720-257-7754 | 720-257-7755 | 720-257-7777 | 720-257-7778 | 720-257-7970 | 720-257-7977 | 720-257-7979 | 720-257-7995 | 720-257-7997 | 720-257-7998 |
720-257-8XXX: 720-257-8122 | 720-257-8126 | 720-257-8127 | 720-257-8186 | 720-257-8187 | 720-257-8197 | 720-257-8258 | 720-257-8272 | 720-257-8278 | 720-257-8279 | 720-257-8282 | 720-257-8283 | 720-257-8443 | 720-257-8453 | 720-257-8454 | 720-257-8480 | 720-257-8485 | 720-257-8489 |
720-257-9XXX: 720-257-9240 | 720-257-9245 | 720-257-9247 | 720-257-9257 | 720-257-9292 | 720-257-9420 | 720-257-9425 | 720-257-9428 | 720-257-9500 | 720-257-9510 | 720-257-9511 | 720-257-9515 | 720-257-9550 | 720-257-9862 | 720-257-9865 | 720-257-9869 |