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831-665

You are reviewing the Area Code (NPA/NXX) report for 831-665. Did you mean to search the SMS short code 831665?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number831665
Basic Format831-665
NPA (Area Code)831
NXX665

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective DateBlock Available Date
831-665-0XXX145JTERRA NOVA TELECOM INC.HOLLISTERAS01/16/2024CAWC02/12/2024
831-665-1XXX649CONVOY, LLC - CAHOLLISTERAS04/17/2017CAWC05/11/2017
831-665-2XXX5562METROPCS, INC.HOLLISTERAS11/30/2017CAWC12/24/2017
831-665-3XXX6529T-MOBILE USA, INC.HOLLISTERAS11/19/2020CAWC12/18/2020
831-665-4XXX6529T-MOBILE USA, INC.HOLLISTERAS07/29/2024CAWC08/25/2024
831-665-5XXX145JTERRA NOVA TELECOM INC.HOLLISTERAS05/25/2023CAWC06/24/2023
831-665-6XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHOLLISTERAS12/15/2011CAWC01/08/2012
831-665-7XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHOLLISTERAVCAWC08/25/2025
831-665-8XXX145JTERRA NOVA TELECOM INC.HOLLISTERAS02/17/2026CAWC03/13/2026
831-665-9XXX6529T-MOBILE USA, INC.HOLLISTERAS10/28/2021CAWC11/25/2021
831-665-XXXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHOLLISTERASCA

Business/Government Phones on the 831-665 Prefix

PhoneNameAddress
831-665-6362Image Source
831-665-6344AT&T2200 South Atlantic Boulevard Monterey Park 91754 US

Reports

Anonymous User from Soquel, California

February 24, 2026 at 10:48 AM

831-665-0353 reported as a Robocall. Received on February 24, 2026 at 7:40 AM.
Call for Warranties & protection plans

Anonymous User from Salinas, California

September 5, 2025 at 2:03 PM

831-665-5764 reported as a Robocall. Received on September 5, 2025 at 10:35 AM.
Call for Medical & prescriptions

Anonymous User from , CA

September 3, 2025 at 6:40 PM

831-665-7280 reported as a Live Voice or Other. Received on September 3, 2025 at 12:00 PM.

Anonymous User from , CA

December 4, 2024 at 4:45 PM

831-665-7918 reported as a Live Voice or Other. Received on December 4, 2024 at 1:46 PM.

Anonymous User from Edina, Minnesota

September 5, 2024 at 3:57 PM

831-665-9791 reported as a Live Voice or Other. Received on September 5, 2024 at 2:56 PM.
Call for Computer & technical support

Anonymous User from Arcadia, California

February 13, 2024 at 5:20 PM

831-665-8156 reported as a Robocall. Received on February 13, 2024 at 12:55 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

May 16, 2023 at 6:46 PM

831-665-8643 reported as a Robocall. Received on May 16, 2023 at 3:43 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Santa Cruz, California

January 13, 2023 at 1:33 PM

831-665-6871 reported as a Robocall. Received on January 13, 2023 at 8:28 AM.

Anonymous User from Cumberland, Maryland

January 6, 2023 at 4:02 PM

831-665-1445 reported as a Live Voice or Other. Received on January 6, 2023 at 3:30 PM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from King George, Virginia

January 6, 2023 at 1:37 PM

831-665-1993 reported as a Live Voice or Other. Received on January 6, 2023 at 1:02 PM.

Anonymous User from Fresno, California

July 25, 2022 at 4:56 PM

831-665-6463 reported as a Live Voice or Other. Received on July 25, 2022 at 1:44 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

July 7, 2022 at 1:42 PM

831-665-6165 reported as a Robocall. Received on July 1, 2022 at 2:41 PM.

Anonymous User from San Jose, California

June 8, 2022 at 6:38 PM

831-665-2386 reported as a Live Voice or Other. Received on May 12, 2022 at 1:03 PM.

Anonymous User from Toms River, NJ

February 5, 2021 at 10:51 PM

831-665-1840 reported as a Live Voice. Received on February 5, 2021 at 4:11 PM.
Unwanted call for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

831-665-1XXX: 831-665-1400 | 831-665-1409 | 831-665-1440 | 831-665-1441 | 831-665-1447 | 831-665-1800 | 831-665-1840 | 831-665-1845 | 831-665-1847 | 831-665-1881 | 831-665-1887 | 831-665-1900 | 831-665-1990 | 831-665-1991 | 831-665-1993 | 831-665-1997 |
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831-665-7XXX: 831-665-7900 | 831-665-7910 | 831-665-7911 | 831-665-7919 | 831-665-7950 | 831-665-7997 |
831-665-8XXX: 831-665-8100 | 831-665-8109 | 831-665-8150 | 831-665-8153 | 831-665-8155 | 831-665-8643 | 831-665-8646 | 831-665-8648 | 831-665-8655 | 831-665-8660 | 831-665-8666 |
831-665-9XXX: 831-665-9700 | 831-665-9707 | 831-665-9777 | 831-665-9790 | 831-665-9797 | 831-665-9799 |