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831-664

You are reviewing the Area Code (NPA/NXX) report for 831-664. Did you mean to search the SMS short code 831664?

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Raw Number831664
Basic Format831-664
NPA (Area Code)831
NXX664

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateStateRegionBlock Effective Date
831-664-0XXX981EBANDWIDTH.COM CLEC, LLC - CAHOLLISTERRTCAWC
831-664-1XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHOLLISTERRTCAWC
831-664-2XXX649CONVOY, LLC - CAHOLLISTERAS07/03/2024CAWC07/27/2024
831-664-3XXX732JNUSO, LLCHOLLISTERAS11/22/2024CAWC12/16/2024
831-664-4XXX6529T-MOBILE USA, INC.HOLLISTERAS12/04/2023CAWC12/14/2023
831-664-5XXX6529T-MOBILE USA, INC.HOLLISTERAS12/04/2023CAWC12/14/2023
831-664-6XXX5562METROPCS, INC.HOLLISTERAS04/01/2008CAWC05/01/2008
831-664-7XXX508JCENTURYLINK COMMUNICATIONS, LLCHOLLISTERAS09/16/2015CAWC11/09/2015
831-664-8XXX5562METROPCS, INC.HOLLISTERAS11/21/2008CAWC12/21/2008
831-664-9XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHOLLISTERAS05/06/2008CAWC05/16/2008
831-664-XXXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHOLLISTERASCA

Business/Government Phones on the 831-664 Prefix

PhoneNameAddress
831-664-8969North African Passion
831-664-9339Excalibur Funding

Reports

Anonymous User from , CA

January 16, 2026 at 3:17 PM

831-664-0991 reported as a Live Voice or Other. Received on January 16, 2026 at 12:08 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

December 20, 2025 at 2:02 PM

831-664-0915 reported as a Live Voice or Other. Received on December 18, 2025 at 1:25 PM.
Call for Dropped call or no message

Anonymous User from Murrieta, California

December 3, 2025 at 6:53 PM

831-664-1022 reported as a Robocall. Received on December 3, 2025 at 1:10 PM.

Anonymous User from , CA

August 14, 2025 at 11:15 PM

831-664-0963 reported as a Robocall. Received on August 14, 2025 at 6:33 PM.
Call for Dropped call or no message

Anonymous User from , NJ

July 31, 2025 at 4:04 PM

831-664-0685 reported as a Robocall. Received on July 31, 2025 at 4:00 PM.

Anonymous User from Benton, Illinois

July 31, 2025 at 3:11 PM

831-664-0999 reported as a unwanted call. Received on July 31, 2025 at 2:07 PM.

Anonymous User from , CA

June 28, 2025 at 12:20 PM

831-664-1038 reported as a Robocall. Received on June 13, 2025 at 1:21 PM.

Anonymous User from Sylmar, Pennsylvania

May 2, 2025 at 2:16 PM

831-664-3663 reported as a Robocall. Received on April 18, 2025 at 9:23 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from North Arlington, New Jersey

April 28, 2025 at 8:46 PM

831-664-3652 reported as a Robocall. Received on April 28, 2025 at 2:59 PM.

Anonymous User from Gilbert, Arizona

April 28, 2025 at 4:27 PM

831-664-3978 reported as a Robocall. Received on April 28, 2025 at 1:20 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Battle Ground, WA

April 23, 2025 at 5:55 PM

844-996-7659 reported as a Prerecorded Voice. Received on April 23, 2025 at 9:30 AM.
Unwanted call for Other Services
Caller ID indicated they called from 831-664-3751
Contacted via Internet (VOIP)

Anonymous User from Mart, Texas

April 23, 2025 at 1:49 PM

831-664-3978 reported as a Live Voice or Other. Received on April 23, 2025 at 10:29 AM.

Anonymous User from South Dartmouth, Massachusetts

April 22, 2025 at 6:42 PM

831-664-3453 reported as a Robocall. Received on April 22, 2025 at 6:36 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Burgettstown, Pennsylvania

April 22, 2025 at 5:57 PM

831-664-3470 reported as a Robocall. Received on April 21, 2025 at 6:04 AM.

Anonymous User from Wichita, Kansas

April 22, 2025 at 3:50 PM

831-664-3146 reported as a Robocall. Received on April 22, 2025 at 12:32 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from New Port Richey, Florida

April 21, 2025 at 1:37 PM

831-664-3500 reported as a Robocall. Received on April 21, 2025 at 1:03 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Mesa, Arizona

April 21, 2025 at 11:55 AM

831-664-3835 reported as a Robocall. Received on April 21, 2025 at 8:35 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , PA

April 19, 2025 at 2:11 PM

831-664-3541 reported as a Robocall. Received on April 4, 2025 at 9:28 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , PA

April 18, 2025 at 12:35 PM

831-664-3900 reported as a Robocall. Received on April 18, 2025 at 12:21 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Glenshaw, Pennsylvania

April 10, 2025 at 2:46 PM

831-664-3007 reported as a Robocall. Received on April 10, 2025 at 11:36 AM.

Anonymous User from San Jose, California

March 18, 2024 at 5:22 PM

831-664-0648 reported as a Robocall. Received on March 18, 2024 at 1:45 PM.
Call for Dropped call or no message

Anonymous User from Pebble Beach, California

May 30, 2023 at 8:13 PM

831-664-4013 reported as a Robocall. Received on May 22, 2023 at 3:26 PM.

Anonymous User from Carmel Valley, California

February 3, 2023 at 10:52 AM

831-664-1907 reported as a unwanted call. Received on February 1, 2023 at 11:37 AM.
Call for Dropped call or no message

Anonymous User from , CA

November 17, 2022 at 11:19 AM

831-664-0573 reported as a Robocall. Received on November 11, 2022 at 3:24 AM.
Call for No Subject Provided

Anonymous User from , CA

November 16, 2022 at 11:33 AM

831-664-0573 reported as a Robocall. Received on November 11, 2022 at 3:24 AM.
Call for No Subject Provided

Anonymous User from Aromas, California

June 23, 2022 at 5:31 PM

831-664-8248 reported as a Robocall. Received on June 23, 2022 at 10:39 AM.

Anonymous User from Santa Cruz, California

June 8, 2022 at 2:45 PM

831-664-0144 reported as a Live Voice or Other. Received on June 8, 2022 at 10:29 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Most 'popular' numbers on this prefix:

831-664-0XXX: 831-664-0100 | 831-664-0140 | 831-664-0141 | 831-664-0144 | 831-664-0197 | 831-664-0198 | 831-664-0500 | 831-664-0505 | 831-664-0550 | 831-664-0570 | 831-664-0600 | 831-664-0601 | 831-664-0640 | 831-664-0641 | 831-664-0649 | 831-664-0650 |
831-664-1XXX: 831-664-1900 | 831-664-1903 | 831-664-1905 | 831-664-1993 | 831-664-1997 |
831-664-3XXX: 831-664-3000 | 831-664-3003 | 831-664-3008 | 831-664-3030 | 831-664-3062 | 831-664-3100 | 831-664-3125 | 831-664-3140 | 831-664-3141 | 831-664-3145 | 831-664-3197 | 831-664-3400 | 831-664-3444 | 831-664-3450 | 831-664-3453 | 831-664-3455 | 831-664-3500 | 831-664-3540 | 831-664-3550 | 831-664-3551 | 831-664-3700 | 831-664-3750 | 831-664-3753 | 831-664-3757 | 831-664-3777 | 831-664-3800 | 831-664-3830 | 831-664-3833 | 831-664-3850 | 831-664-3888 | 831-664-3900 | 831-664-3901 | 831-664-3903 | 831-664-3950 |
831-664-4XXX: 831-664-4000 | 831-664-4010 | 831-664-4015 | 831-664-4017 | 831-664-4040 | 831-664-4062 |
831-664-5XXX: 831-664-5500 | 831-664-5550 | 831-664-5555 | 831-664-5580 | 831-664-5588 | 831-664-5589 |
831-664-6XXX: 831-664-6900 | 831-664-6930 | 831-664-6933 | 831-664-6935 | 831-664-6996 | 831-664-6999 |
831-664-8XXX: 831-664-8200 | 831-664-8207 | 831-664-8240 | 831-664-8243 | 831-664-8247 | 831-664-8250 | 831-664-8900 | 831-664-8901 | 831-664-8907 | 831-664-8960 | 831-664-8969 |
831-664-9XXX: 831-664-9300 | 831-664-9303 | 831-664-9330 | 831-664-9333 | 831-664-9339 |