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408-851

You are reviewing the Area Code (NPA/NXX) report for 408-851. Did you mean to search the SMS short code 408851?

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Raw Number408851
Basic Format408-851
NPA (Area Code)408
NXX851

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
408-851-0XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-1XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-2XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-3XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-4XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-5XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-6XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-7XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-8XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-9XXX9740PACIFIC BELLSNJS WESTAS03/22/2004SAN JOSE:WEST DACAWC05/07/2004
408-851-XXXX9740PACIFIC BELLSNJS WESTAS03/17/2004SAN JOSE:WEST DACA

Business/Government Phones on the 408-851 Prefix

PhoneNameAddress
408-851-1000Kaiser Permanente at Santa Clara
408-851-6010Lee, Julia R
408-851-8000Missett, Brian T MD
408-851-1000Kaiser Permanente Santa Clara Medical Center710 Lawrence Expressway Santa Clara 95051 US

Reports

Anonymous User from Dallas, Texas

March 23, 2026 at 5:00 PM

408-851-6053 reported as a Live Voice or Other. Received on March 20, 2026 at 3:45 PM.
Call for No Subject Provided

Anonymous User from Nolensville, Tennessee

February 27, 2026 at 4:06 PM

408-851-9005 reported as a Robocall. Received on February 26, 2026 at 2:36 PM.
Call for Dropped call or no message

Anonymous User from , NY

September 12, 2025 at 7:06 PM

408-851-5020 reported as a Live Voice or Other. Received on September 12, 2025 at 4:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Chapel Hill, North Carolina

August 10, 2025 at 5:20 PM

408-851-1000 reported as a Live Voice or Other. Received on April 15, 2025 at 4:40 PM.
Call for Medical & prescriptions

Anonymous User from Chapel Hill, North Carolina

August 10, 2025 at 5:19 PM

408-851-1000 reported as a Live Voice or Other. Received on April 15, 2025 at 1:33 PM.
Call for Medical & prescriptions

Anonymous User from San Jose, California

August 5, 2025 at 12:36 AM

408-851-8466 reported as a Live Voice or Other. Received on August 4, 2025 at 1:33 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Houston, Texas

June 27, 2025 at 5:51 PM

408-851-1000 reported as a Live Voice or Other. Received on June 25, 2025 at 11:42 AM.

Anonymous User from Arlington, Texas

June 25, 2025 at 12:08 PM

408-851-5020 reported as a Live Voice or Other. Received on June 19, 2025 at 1:07 PM.

Anonymous User from , NY

June 2, 2025 at 8:51 PM

408-851-5020 reported as a Robocall. Received on June 2, 2025 at 8:41 PM.
Call for Dropped call or no message

Anonymous User from Brooklyn, New York

June 1, 2025 at 7:45 PM

408-851-1000 reported as a Live Voice or Other. Received on June 1, 2025 at 7:42 PM.

Anonymous User from , CA

December 5, 2024 at 3:29 PM

408-851-1000 reported as a Robocall. Received on December 5, 2024 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from San Jose, California

September 27, 2024 at 8:48 PM

408-851-6273 reported as a Live Voice or Other. Received on September 27, 2024 at 9:43 AM.
Call for Dropped call or no message

Anonymous User from Santa Cruz, CA

September 4, 2024 at 11:33 PM

reported as a Live Voice. Received on September 4, 2024 at 4:10 PM.
Unwanted call for Other Services
Caller ID indicated they called from 408-851-4104
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

March 6, 2024 at 7:38 PM

408-851-3923 reported as a Robocall. Received on March 4, 2024 at 8:17 AM.
Call for No Subject Provided

Anonymous User from San Jose, California

January 11, 2024 at 3:28 PM

408-851-4100 reported as a Robocall. Received on January 11, 2024 at 7:58 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Sunnyvale, California

March 13, 2023 at 4:35 PM

408-851-2094 reported as a Robocall. Received on March 13, 2023 at 9:29 AM.

Anonymous User from , CA

February 9, 2023 at 5:03 PM

408-851-0685 reported as a Live Voice or Other. Received on February 9, 2023 at 2:00 PM.
Call for Vacation & timeshares

Anonymous User from , CA

November 28, 2022 at 4:52 PM

408-851-6713 reported as a Robocall. Received on November 28, 2022 at 11:41 AM.
Call for Medical & prescriptions

Anonymous User from Palo Alto, CA

November 24, 2022 at 12:51 AM

408-851-1000 reported as a Prerecorded Voice. Received on November 24, 2022 at 4:30 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Palo Alto, California

November 23, 2022 at 7:45 PM

408-851-1000 reported as a Robocall. Received on November 23, 2022 at 4:30 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from San Jose, California

November 2, 2022 at 4:53 PM

408-851-3378 reported as a Live Voice or Other. Received on November 2, 2022 at 1:50 PM.
Call for Medical & prescriptions

Anonymous User from San Jose, California

August 24, 2022 at 5:39 PM

408-851-1000 reported as a Robocall. Received on August 19, 2022 at 1:45 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CA

July 26, 2022 at 4:06 PM

408-851-1361 reported as a Robocall. Received on July 26, 2022 at 11:53 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CA

January 10, 2016 at 12:35 AM

reported as a Live Voice. Received on January 9, 2016 at 12:00 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 408-851-1000
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

408-851-0XXX: 408-851-0600 | 408-851-0601 | 408-851-0620 | 408-851-0680 | 408-851-0681 | 408-851-0687 |
408-851-1XXX: 408-851-1000 | 408-851-1002 | 408-851-1003 | 408-851-1048 | 408-851-1300 | 408-851-1305 | 408-851-1308 | 408-851-1360 | 408-851-1362 | 408-851-1365 |
408-851-2XXX: 408-851-2000 | 408-851-2006 | 408-851-2008 | 408-851-2091 | 408-851-2096 | 408-851-2099 |
408-851-3XXX: 408-851-3300 | 408-851-3330 | 408-851-3333 | 408-851-3370 | 408-851-3375 | 408-851-3377 | 408-851-3900 | 408-851-3920 | 408-851-3922 | 408-851-3923 | 408-851-3950 | 408-851-3993 |
408-851-4XXX: 408-851-4100 | 408-851-4101 | 408-851-4108 | 408-851-4133 | 408-851-4143 | 408-851-4163 |
408-851-6XXX: 408-851-6001 | 408-851-6008 | 408-851-6010 | 408-851-6011 | 408-851-6015 | 408-851-6020 | 408-851-6200 | 408-851-6220 | 408-851-6250 | 408-851-6270 | 408-851-6271 | 408-851-6272 | 408-851-6700 | 408-851-6710 | 408-851-6716 | 408-851-6717 | 408-851-6787 | 408-851-6789 |
408-851-8XXX: 408-851-8000 | 408-851-8008 | 408-851-8009 |