831-350

You are reviewing the Area Code (NPA/NXX) report for 831-350. Did you mean to search the SMS short code 831350?

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	831350
Basic Format	831-350
NPA (Area Code)	831
NXX	350

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date	Block Available Date
831-350-0XXX	981E	BANDWIDTH.COM CLEC, LLC - CA	TRES PINOS	AS	08/03/2010	TRES PINOS	CA	WC	08/30/2010
831-350-1XXX	981E	BANDWIDTH.COM CLEC, LLC - CA	TRES PINOS	AS	08/31/2010	TRES PINOS	CA	WC	09/27/2010
831-350-2XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AV		TRES PINOS	CA	WC		07/01/2012
831-350-3XXX	981E	BANDWIDTH.COM CLEC, LLC - CA	TRES PINOS	AS	04/07/2015	TRES PINOS	CA	WC	05/03/2015
831-350-4XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AS	05/11/2006	TRES PINOS	CA	WC	07/02/2006
831-350-5XXX	649C	ONVOY, LLC - CA	TRES PINOS	AS	07/02/2021	TRES PINOS	CA	WC	07/30/2021
831-350-6XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AS	10/02/2007	TRES PINOS	CA	WC	10/18/2007
831-350-7XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AV		TRES PINOS	CA	WC		07/03/2006
831-350-8XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AV		TRES PINOS	CA	WC		07/03/2006
831-350-9XXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AV		TRES PINOS	CA	WC		07/03/2006
831-350-XXXX	8826	LEVEL 3 COMMUNICATIONS, LLC - CA	TRES PINOS	AS	05/11/2006	TRES PINOS	CA

Business/Government Phones on the 831-350 Prefix

Phone	Name	Address
831-350-0306	Patagonia Properties, LLC.

Reports

Anonymous User from , CA

January 21, 2026 at 2:48 PM

831-350-3840 reported as a Robocall. Received on January 21, 2026 at 10:00 AM.
Call for Dropped call or no message

Anonymous User from , CA

August 8, 2025 at 11:30 AM

831-350-5053 reported as a Robocall. Received on July 31, 2025 at 11:31 AM.
Call for Dropped call or no message

Anonymous User from Hayward, CA

January 13, 2025 at 4:02 PM

reported as a Live Voice. Received on January 13, 2025 at 7:34 AM.
Unwanted call for Solar Panels Services
Caller ID indicated they called from 831-350-5357
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Sacramento, California

July 18, 2024 at 6:22 PM

831-350-8938 reported as a Robocall. Received on July 16, 2024 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Santa Cruz, California

December 4, 2023 at 12:27 PM

831-350-5322 reported as a Live Voice or Other. Received on December 4, 2023 at 9:22 AM.
Call for Dropped call or no message

Anonymous User from Washington, DC

November 13, 2023 at 8:43 PM

831-350-6013 reported as a Prerecorded Voice. Received on November 13, 2023 at 10:00 AM.
Unwanted call for Computer Virus Services
Contacted via Internet (VOIP)

Anonymous User from , CA

November 6, 2023 at 4:28 PM

831-350-9185 reported as a Robocall. Received on November 6, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Scotts Valley, California

September 6, 2023 at 3:04 PM

831-350-3956 reported as a Robocall. Received on September 6, 2023 at 12:00 PM.

Anonymous User from , CA

October 18, 2022 at 1:32 PM

831-350-0664 reported as a Robocall. Received on October 18, 2022 at 8:13 AM.

Most 'popular' numbers on this prefix:

831-350-0XXX: 831-350-0300 | 831-350-0303 | 831-350-0308 | 831-350-0309 | 831-350-0602 | 831-350-0606 | 831-350-0647 | 831-350-0662 | 831-350-0663 | 831-350-0665 |
831-350-3XXX: 831-350-3900 | 831-350-3939 | 831-350-3950 | 831-350-3952 | 831-350-3953 | 831-350-3998 |
831-350-5XXX: 831-350-5350 | 831-350-5355 | 831-350-5357 |
831-350-6XXX: 831-350-6000 | 831-350-6010 | 831-350-6011 | 831-350-6018 | 831-350-6050 | 831-350-6060 |
831-350-9XXX: 831-350-9180 | 831-350-9187 | 831-350-9188 | 831-350-9192 | 831-350-9197 | 831-350-9198 |