720-831

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	720831
Basic Format	720-831
NPA (Area Code)	720
NXX	831

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
720-831-0XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-1XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-2XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-3XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-4XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-5XXX	7378	TELEPORT COMMUNICATIONS AMERICA, LLC - CO	DENVER	AS	10/25/2021	DENVER	CO	WE	12/24/2021
720-831-6XXX	7378	TELEPORT COMMUNICATIONS AMERICA, LLC - CO	DENVER	AS	10/25/2021	DENVER	CO	WE	12/24/2021
720-831-7XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-8XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-9XXX	6529	T-MOBILE USA, INC.	DENVER	AS	11/10/2021	DENVER	CO	WE	12/25/2021
720-831-XXXX	7378	TELEPORT COMMUNICATIONS AMERICA, LLC - CO	DENVER	AS	10/25/2021	DENVER	CO

Business/Government Phones on the 720-831 Prefix

Phone	Name	Address
720-831-9131	Life Happens Plumbing Ltd

Reports

Anonymous User from Aurora, Colorado

April 22, 2026 at 3:47 PM

720-831-5182 reported as a Robocall. Received on April 22, 2026 at 1:30 PM.
Call for Medical & prescriptions

Anonymous User from Golden, Colorado

February 14, 2026 at 2:11 PM

720-831-5311 reported as a Robocall. Received on February 14, 2026 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from San Jose, California

January 2, 2026 at 9:59 PM

720-831-3133 reported as a Live Voice or Other. Received on December 30, 2025 at 5:01 PM.

Anonymous User from , CA

January 2, 2026 at 9:57 PM

720-831-3133 reported as a Live Voice or Other. Received on December 30, 2025 at 6:00 PM.

Anonymous User from Coppell, Texas

August 20, 2022 at 11:19 AM

720-831-4984 reported as a Robocall. Received on August 20, 2022 at 10:16 AM.
Call for Lotteries, prizes & sweepstakes

Most 'popular' numbers on this prefix:

720-831-2XXX: 720-831-2500 | 720-831-2525 | 720-831-2540 | 720-831-2545 | 720-831-2547 | 720-831-2562 |
720-831-4XXX: 720-831-4982 | 720-831-4987 | 720-831-4989 |
720-831-7XXX: 720-831-7986 | 720-831-7987 | 720-831-7989 | 720-831-7995 | 720-831-7997 | 720-831-7998 |
720-831-9XXX: 720-831-9134 | 720-831-9135 | 720-831-9137 | 720-831-9192 | 720-831-9195 | 720-831-9197 |