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650-543

You are reviewing the Area Code (NPA/NXX) report for 650-543. Did you mean to search the SMS short code 650543?

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Raw Number650543
Basic Format650-543
NPA (Area Code)650
NXX543

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityState
650-543-XXXX671JU.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSPALO ALTOASPALO ALTOCA

Business/Government Phones on the 650-543 Prefix

PhoneNameAddress
650-543-1400ReadyForce
650-543-2700Square 1 Bank
650-543-3030Alfatech Cambridge Group
650-543-3300Rwi Ventures
650-543-3756Jonathan S Surface
650-543-4800Facebook
650-543-4800Instagram
650-543-4800Threads
650-543-4560Athena Academy525 San Antonio Avenue Palo Alto 94306 US

Reports

Anonymous User from Fremont, California

February 20, 2026 at 10:15 PM

65054311853 reported as a Live Voice or Other. Received on February 10, 2026 at 12:00 PM.

Anonymous User from South San Francisco, California

December 17, 2025 at 7:28 PM

650-543-3138 reported as a Live Voice or Other. Received on December 17, 2025 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Rocklin, California

December 4, 2025 at 2:36 PM

650-543-4163 reported as a Robocall. Received on December 4, 2025 at 11:32 AM.
Call for Medical & prescriptions

Anonymous User from Appleton, Wisconsin

September 3, 2025 at 4:50 PM

650-543-4947 reported as a Robocall. Received on September 3, 2025 at 10:30 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Potomac, Maryland

April 25, 2025 at 3:51 PM

650-543-3733 reported as a Robocall. Received on April 25, 2025 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Naperville, Illinois

October 22, 2024 at 12:51 PM

650-543-4800 reported as a Robocall. Received on October 22, 2024 at 9:42 AM.

Anonymous User from , CA

September 19, 2024 at 12:47 PM

650-543-4801 reported as a Robocall. Received on September 19, 2024 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

September 19, 2024 at 12:47 PM

650-543-4801 reported as a Robocall. Received on September 19, 2024 at 12:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MI

April 24, 2024 at 5:36 PM

650-543-4800 reported as a Robocall. Received on April 24, 2024 at 12:00 AM.

Anonymous User from Manteca, California

April 17, 2024 at 3:31 PM

650-543-2559 reported as a Robocall. Received on April 17, 2024 at 12:29 PM.

Anonymous User from San Carlos, California

March 28, 2024 at 2:37 PM

650-543-0715 reported as a Robocall. Received on March 27, 2024 at 4:40 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Carlos, California

March 28, 2024 at 2:36 PM

650-543-0715 reported as a Robocall. Received on March 27, 2024 at 2:57 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Missouri City, TX

February 17, 2024 at 11:27 PM

650-543-4800 reported as a Text Message. Received on February 17, 2024 at 8:26 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Belmont, California

November 25, 2023 at 11:32 AM

650-543-5804 reported as a Live Voice or Other. Received on November 24, 2023 at 8:10 AM.
Call for No Subject Provided

Anonymous User from Miami, Florida

May 30, 2023 at 5:45 PM

650-543-2990 reported as a Robocall. Received on May 30, 2023 at 5:37 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Palo Alto, CA

May 30, 2023 at 4:40 PM

650-543-7963 reported as a Prerecorded Voice. Received on May 30, 2023 at 9:20 AM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Palo Alto, California

May 30, 2023 at 12:36 PM

650-543-7963 reported as a Robocall. Received on May 30, 2023 at 9:20 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , OH

May 24, 2023 at 6:38 PM

650-543-2326 reported as a Robocall. Received on May 24, 2023 at 4:30 PM.

Anonymous User from , CA

February 13, 2023 at 6:25 PM

650-543-2012 reported as a Robocall. Received on February 13, 2023 at 3:19 PM.
Call for Dropped call or no message

Anonymous User from Sf, California

August 8, 2022 at 11:27 AM

650-543-3745 reported as a Robocall. Received on August 8, 2022 at 8:20 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CA

July 21, 2022 at 7:39 PM

650-543-1706 reported as a Robocall. Received on July 21, 2022 at 4:36 PM.
Call for Warranties & protection plans

Anonymous User from Charlotte, North Carolina

June 30, 2022 at 6:18 PM

650-543-4800 reported as a Live Voice or Other. Received on June 30, 2022 at 5:15 PM.

Anonymous User from , NJ

March 25, 2016 at 8:16 PM

reported as a Prerecorded Voice. Received on March 25, 2016 at 3:32 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 650-543-4800
Contacted via Wired

Most 'popular' numbers on this prefix:

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650-543-4XXX: 650-543-4000 | 650-543-4052 | 650-543-4060 | 650-543-4062 | 650-543-4067 | 650-543-4800 | 650-543-4801 | 650-543-4808 | 650-543-4848 | 650-543-4889 |
650-543-5XXX: 650-543-5600 | 650-543-5606 | 650-543-5609 | 650-543-5800 | 650-543-5806 | 650-543-5808 |
650-543-7XXX: 650-543-7443 | 650-543-7447 | 650-543-7449 | 650-543-7485 | 650-543-7486 | 650-543-7487 | 650-543-7810 | 650-543-7811 | 650-543-7815 | 650-543-7883 | 650-543-7887 | 650-543-7960 | 650-543-7962 | 650-543-7969 | 650-543-7995 | 650-543-7997 | 650-543-7998 |
650-543-8XXX: 650-543-8340 | 650-543-8343 | 650-543-8344 | 650-543-8383 | 650-543-8387 | 650-543-8400 | 650-543-8403 | 650-543-8409 | 650-543-8900 | 650-543-8901 | 650-543-8907 | 650-543-8995 | 650-543-8997 | 650-543-8998 |
650-543-9XXX: 650-543-9400 | 650-543-9402 | 650-543-9409 |