720-921

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	720921
Basic Format	720-921
NPA (Area Code)	720
NXX	921

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
720-921-0XXX	6567	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO	DENVER	AS	05/10/2022	DENVER	CO	WE	08/08/2022
720-921-1XXX	6567	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO	DENVER	AS	05/10/2022	DENVER	CO	WE	08/08/2022
720-921-2XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
720-921-3XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
720-921-4XXX	6529	T-MOBILE USA, INC.	DENVER	AS	01/07/2008	DENVER	CO	WE	02/04/2008
720-921-5XXX	6529	T-MOBILE USA, INC.	DENVER	AS	01/07/2008	DENVER	CO	WE	02/04/2008
720-921-6XXX	6529	T-MOBILE USA, INC.	DENVER	AS	01/07/2008	DENVER	CO	WE	02/04/2008
720-921-7XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
720-921-8XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	DENVER	AS	03/14/2008	DENVER	CO	WE	04/13/2008
720-921-9XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/10/2021
720-921-XXXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	AS		DENVER	CO

Business/Government Phones on the 720-921 Prefix

Phone	Name	Address
720-921-6717	The Colorado Roofing Company LLC
720-921-0174	Littleton Meats	3615 West Bowles Avenue Littleton 80123 US
720-921-4319	CAT Scale	US

Reports

Anonymous User from , CO

March 13, 2026 at 5:39 PM

720-921-7940 reported as a Live Voice or Other. Received on March 13, 2026 at 3:30 AM.

Anonymous User from Aurora, Colorado

February 20, 2026 at 5:30 PM

720-921-3504 reported as a Robocall. Received on February 20, 2026 at 2:38 PM.
Call for Medical & prescriptions

Anonymous User from Wheat Ridge, Colorado

January 12, 2026 at 5:10 PM

720-921-7838 reported as a Live Voice or Other. Received on January 12, 2026 at 3:07 PM.

Anonymous User from Castle Rock, Colorado

September 27, 2025 at 3:33 PM

720-921-8126 reported as a Live Voice or Other. Received on September 27, 2025 at 1:27 PM.

Anonymous User from , CO

September 17, 2025 at 11:02 AM

720-921-7491 reported as a Robocall. Received on September 17, 2025 at 8:49 AM.

Anonymous User from Shaver Town, Pennsylvania

July 30, 2025 at 1:43 PM

720-921-6601 reported as a Live Voice or Other. Received on July 11, 2024 at 12:00 PM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from Sedalia, Colorado

June 24, 2025 at 6:09 PM

720-921-3253 reported as a Robocall. Received on June 24, 2025 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Flowood, Mississippi

April 7, 2025 at 9:11 PM

720-921-3839 reported as a Robocall. Received on March 27, 2025 at 10:36 AM.

Anonymous User from , TN

October 15, 2024 at 9:41 PM

720-921-3839 reported as a Live Voice or Other. Received on September 25, 2024 at 11:53 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , IN

September 23, 2024 at 2:04 PM

720-921-3873 reported as a Robocall. Received on September 23, 2024 at 2:03 PM.
Call for No Subject Provided

Anonymous User from Fairfield Ct, Connecticut

July 5, 2024 at 12:08 PM

720-921-1000 reported as a Robocall. Received on July 5, 2024 at 12:03 AM.
Call for No Subject Provided

Anonymous User from Evergreen, Colorado

April 27, 2024 at 6:48 PM

720-921-6178 reported as a Live Voice or Other. Received on April 3, 2024 at 6:14 PM.
Call for Dropped call or no message

Anonymous User from Vancouver, Washington

June 13, 2023 at 7:22 PM

720-921-6020 reported as a Robocall. Received on June 13, 2023 at 8:14 AM.

Anonymous User from Vancouver, Washington

June 13, 2023 at 7:19 PM

720-921-6020 reported as a Robocall. Received on June 13, 2023 at 8:06 AM.
Call for Dropped call or no message

Anonymous User from Vancouver, Washington

June 3, 2023 at 2:48 PM

720-921-3953 reported as a Robocall. Received on June 2, 2023 at 11:21 AM.
Call for Dropped call or no message

Anonymous User from , CO

March 26, 2023 at 3:09 PM

720-921-0509 reported as a Robocall. Received on March 26, 2023 at 1:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CO

February 21, 2023 at 6:28 PM

720-921-3921 reported as a Robocall. Received on February 21, 2023 at 8:46 AM.
Call for Calls pretending to be government, businesses, or family and friends

Most 'popular' numbers on this prefix:

720-921-0XXX: 720-921-0303 | 720-921-0307 | 720-921-0309 | 720-921-0323 | 720-921-0325 | 720-921-0328 | 720-921-0500 | 720-921-0502 | 720-921-0506 | 720-921-0583 | 720-921-0587 |
720-921-1XXX: 720-921-1000 | 720-921-1001 | 720-921-1003 | 720-921-1047 | 720-921-1080 |
720-921-3XXX: 720-921-3800 | 720-921-3830 | 720-921-3837 | 720-921-3838 | 720-921-3900 | 720-921-3906 | 720-921-3920 | 720-921-3922 | 720-921-3929 | 720-921-3998 |
720-921-4XXX: 720-921-4315 | 720-921-4317 | 720-921-4318 | 720-921-4343 | 720-921-4349 | 720-921-4369 |
720-921-5XXX: 720-921-5432 | 720-921-5434 | 720-921-5437 |
720-921-6XXX: 720-921-6000 | 720-921-6020 | 720-921-6022 | 720-921-6024 | 720-921-6060 | 720-921-6172 | 720-921-6175 | 720-921-6177 | 720-921-6191 | 720-921-6197 | 720-921-6198 | 720-921-6710 | 720-921-6711 | 720-921-6712 | 720-921-6762 | 720-921-6783 | 720-921-6787 |
720-921-8XXX: 720-921-8800 | 720-921-8850 | 720-921-8853 | 720-921-8855 | 720-921-8888 | 720-921-8899 |