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650-388

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number650388
Basic Format650-388
NPA (Area Code)650
NXX388

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
650-388-0XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAPALO ALTOAS10/03/2006PALO ALTOCAWC10/13/2006
650-388-1XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCPALO ALTORTPALO ALTOCAWC
650-388-2XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAPALO ALTOAS04/11/2007PALO ALTOCAWC05/10/2007
650-388-3XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCPALO ALTOAS08/31/2004PALO ALTOCAWC09/24/2004
650-388-4XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCPALO ALTOAS08/31/2004PALO ALTOCAWC09/24/2004
650-388-5XXX9262UTILITY TELECOM GROUP, LLC - CAPALO ALTOAS06/02/2006PALO ALTOCAWC06/14/2006
650-388-6XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAPALO ALTOAS10/03/2006PALO ALTOCAWC11/29/2006
650-388-7XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCPALO ALTORTPALO ALTOCAWC
650-388-8XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAPALO ALTOAS06/09/2006PALO ALTOCAWC07/07/2006
650-388-9XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAPALO ALTOAS08/05/2011PALO ALTOCAWC08/29/2011
650-388-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCPALO ALTOASPALO ALTOCA

Business/Government Phones on the 650-388 Prefix

PhoneNameAddress
650-388-2315Animaker Inc.
650-388-5600ORIC Pharmaceuticals Inc.
650-388-6801Nita's Notary
650-388-8499Haka Bros, LLC

Reports

Anonymous User from San Jose, California

February 10, 2026 at 6:32 PM

650-388-0680 reported as a Robocall. Received on February 10, 2026 at 3:18 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

September 2, 2025 at 1:20 PM

650-388-2348 reported as a Robocall. Received on August 26, 2025 at 7:24 PM.
Call for No Subject Provided

Anonymous User from Lake Forest, California

March 29, 2025 at 10:01 PM

650-388-2510 reported as a unwanted call. Received on March 29, 2025 at 6:48 PM.
Call for No Subject Provided

Anonymous User from San Jose, California

June 13, 2024 at 3:06 PM

650-388-1681 reported as a Robocall. Received on June 13, 2024 at 7:58 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

November 28, 2023 at 8:03 PM

650-388-5239 reported as a Live Voice or Other. Received on November 28, 2023 at 8:15 AM.
Call for Dropped call or no message

Anonymous User from Wheat Ridge, Co, Colorado

September 19, 2023 at 4:08 PM

650-388-5778 reported as a Live Voice or Other. Received on September 19, 2023 at 7:28 AM.
Call for Computer & technical support

Anonymous User from Belmont, California

September 8, 2023 at 4:19 PM

650-388-3487 reported as a Live Voice or Other. Received on September 7, 2023 at 8:42 AM.
Call for No Subject Provided

Anonymous User from San Francisco, California

June 6, 2023 at 10:24 PM

650-388-9470 reported as a Robocall. Received on June 5, 2023 at 10:56 AM.
Call for Medical & prescriptions

Anonymous User from San Mateo, California

May 24, 2023 at 1:11 PM

650-388-1011 reported as a unwanted call. Received on May 11, 2023 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Belmont, California

May 11, 2023 at 9:26 AM

650-388-4268 reported as a Live Voice or Other. Received on May 4, 2023 at 3:21 PM.
Call for No Subject Provided

Anonymous User from Henderson, Nevada

February 20, 2023 at 10:17 AM

650-388-3330 reported as a unwanted call. Received on February 20, 2023 at 7:13 AM.
Call for Dropped call or no message

Anonymous User from , CA

December 19, 2022 at 4:11 PM

650-388-3947 reported as a Robocall. Received on December 19, 2022 at 1:08 PM.

Anonymous User from , CA

October 6, 2022 at 3:50 PM

650-388-9677 reported as a Live Voice or Other. Received on October 6, 2022 at 12:41 PM.
Call for No Subject Provided

Anonymous User from Los Angeles, CA

July 28, 2022 at 12:56 AM

650-388-1094 reported as a Live Voice. Received on July 28, 2022 at 5:50 PM.
Unwanted call for Unknown Services
Caller ID indicated they called from 650-288-1094
Contacted via Internet (VOIP)

Anonymous User from , CA

July 8, 2022 at 11:56 PM

650-388-9129 reported as a Live Voice or Other. Received on July 8, 2022 at 11:56 AM.
Call for No Subject Provided

Anonymous User from Chevy Chase, Maryland

June 29, 2022 at 8:23 PM

650-388-9990 reported as a Robocall. Received on May 20, 2022 at 9:37 AM.

Anonymous User from Mountain View, California

June 28, 2022 at 12:18 PM

650-388-5729 reported as a Robocall. Received on June 22, 2022 at 1:13 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Palo Alto, CA

March 25, 2022 at 7:04 PM

650-388-9769 reported as a Live Voice. Received on March 25, 2022 at 11:38 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Morgan Hill, CA

February 3, 2022 at 11:24 PM

None reported as a Live Voice. Received on February 3, 2022 at 3:15 PM.
Unwanted call for Auto Warranty Services
Caller ID indicated they called from 650-388-4294
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

March 31, 2017 at 5:39 PM

650-388-0933 reported as a Live Voice. Received on March 31, 2017 at 12:00 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , OR

February 25, 2016 at 7:48 PM

reported as a Prerecorded Voice. Received on February 25, 2016 at 10:40 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 650-388-5980
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

September 28, 2015 at 8:07 PM

650-388-2342 reported as a Prerecorded Voice. Received on September 28, 2015 at 12:04 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , PA

July 23, 2015 at 3:40 PM

650-388-5980 reported as a Prerecorded Voice. Received on July 23, 2015 at 10:33 AM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

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650-388-4XXX: 650-388-4242 | 650-388-4248 | 650-388-4249 | 650-388-4260 | 650-388-4268 | 650-388-4269 |
650-388-5XXX: 650-388-5000 | 650-388-5005 | 650-388-5006 | 650-388-5080 | 650-388-5088 | 650-388-5089 | 650-388-5230 | 650-388-5232 | 650-388-5239 | 650-388-5247 | 650-388-5600 | 650-388-5606 | 650-388-5609 | 650-388-5757 | 650-388-5776 | 650-388-5777 | 650-388-5778 | 650-388-5783 | 650-388-5787 | 650-388-5800 | 650-388-5808 | 650-388-5809 | 650-388-5883 | 650-388-5887 | 650-388-5889 | 650-388-5980 | 650-388-5987 | 650-388-5988 | 650-388-5996 | 650-388-5997 | 650-388-5998 |
650-388-6XXX: 650-388-6800 | 650-388-6806 | 650-388-6808 | 650-388-6886 | 650-388-6887 | 650-388-6889 |
650-388-8XXX: 650-388-8493 | 650-388-8495 | 650-388-8497 |
650-388-9XXX: 650-388-9120 | 650-388-9123 | 650-388-9125 | 650-388-9192 | 650-388-9197 | 650-388-9198 | 650-388-9470 | 650-388-9473 | 650-388-9478 | 650-388-9670 | 650-388-9672 | 650-388-9676 | 650-388-9706 | 650-388-9762 | 650-388-9765 | 650-388-9766 | 650-388-9797 | 650-388-9900 | 650-388-9962 | 650-388-9990 | 650-388-9994 | 650-388-9999 |