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650-581

You are reviewing the Area Code (NPA/NXX) report for 650-581. Did you mean to search the SMS short code 650581?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number650581
Basic Format650-581
NPA (Area Code)650
NXX581

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
650-581-0XXX433ESONIC TELECOM, LLC - CASAN MATEOAS11/28/2012SAN MATEOCAWC12/22/2012
650-581-1XXX318JCOMCAST IP PHONE, LLCSAN MATEORTSAN MATEOCAWC
650-581-2XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-3XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-4XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-5XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-6XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-7XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-8XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEORTSAN MATEOCAWC
650-581-9XXX8826LEVEL 3 COMMUNICATIONS, LLC - CASAN MATEOAS05/28/2013SAN MATEOCAWC06/21/2013
650-581-XXXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CASAN MATEOASSAN MATEOCA

Business/Government Phones on the 650-581 Prefix

PhoneNameAddress
650-581-0058Peninsulaworks - San Mateo
650-581-1110Yea!Mac
650-581-1180Enterprises LLC Romel
650-581-1315Franks Delivery Svc
650-581-1410Robin Novotny, PhD, CTN
650-581-1679Tri-Line Construction
650-581-1940Wilkinson Construction Inc
650-581-2500Saba Software Intl Inc
650-581-4193TownePlace Suites by Marriott San Mateo Foster City
650-581-4800Sledgehammer games
650-581-9447Moore Health
650-581-9145Luxor FloorsUS

Reports

Anonymous User from Montara, California

November 24, 2025 at 6:30 PM

650-581-3119 reported as a Robocall. Received on November 11, 2025 at 12:02 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

August 22, 2025 at 6:01 PM

650-581-8001 reported as a Robocall. Received on August 22, 2025 at 3:00 PM.

Anonymous User from Penscola, Florida

July 16, 2025 at 2:27 PM

650-581-9178 reported as a Live Voice or Other. Received on July 16, 2025 at 11:47 AM.
Call for Vacation & timeshares

Anonymous User from , CA

February 18, 2025 at 6:46 PM

650-581-3763 reported as a Live Voice or Other. Received on February 17, 2025 at 12:19 PM.
Call for Dropped call or no message

Anonymous User from San Carlos, California

October 4, 2024 at 8:56 PM

650-581-3763 reported as a Robocall. Received on October 4, 2024 at 3:03 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Carlos, California

October 1, 2024 at 7:21 PM

650-581-3763 reported as a Robocall. Received on October 1, 2024 at 1:16 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Carlos, California

September 19, 2024 at 10:19 PM

650-581-3763 reported as a Robocall. Received on September 18, 2024 at 11:14 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Carlos, California

September 18, 2024 at 11:42 PM

650-581-3763 reported as a Robocall. Received on September 18, 2024 at 11:14 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Carlos, California

October 21, 2023 at 1:00 AM

650-581-2208 reported as a Robocall. Received on October 20, 2023 at 4:09 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Spokane, Washington

September 22, 2023 at 1:58 PM

650-581-3791 reported as a Live Voice or Other. Received on September 22, 2023 at 10:57 AM.

Anonymous User from San Carlos, California

August 23, 2023 at 11:26 PM

650-581-3763 reported as a Robocall. Received on August 23, 2023 at 12:08 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from San Carlos, California

August 23, 2023 at 11:25 PM

650-581-3763 reported as a Robocall. Received on August 23, 2023 at 12:06 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from South San Francisco, California

May 16, 2023 at 11:32 AM

650-581-0265 reported as a unwanted call. Received on May 16, 2023 at 7:15 AM.

Anonymous User from Los Altos, CA

May 4, 2023 at 10:58 AM

None reported as a Prerecorded Voice. Received on May 4, 2023 at 12:45 PM.
Unwanted call for Other Services
Caller ID indicated they called from 650-581-2567
Contacted via Wired

Anonymous User from San Bruno, CA

April 26, 2023 at 7:29 PM

650-581-0633 reported as a Prerecorded Voice. Received on April 26, 2023 at 12:25 PM.
Unwanted call for Solar Panels Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Belmont, California

November 4, 2022 at 7:00 PM

650-581-0205 reported as a Live Voice or Other. Received on November 2, 2022 at 9:24 AM.
Call for No Subject Provided

Anonymous User from , CA

September 29, 2022 at 5:22 PM

650-581-0240 reported as a Robocall. Received on September 29, 2022 at 2:02 PM.
Call for No Subject Provided

Anonymous User from , CA

August 31, 2022 at 7:42 PM

650-581-0176 reported as a Robocall. Received on August 26, 2022 at 1:31 PM.

Anonymous User from , CA

August 25, 2022 at 7:25 PM

650-581-0150 reported as a Robocall. Received on August 25, 2022 at 2:00 PM.
Call for No Subject Provided

Anonymous User from , CA

August 23, 2022 at 5:42 PM

650-581-0774 reported as a Robocall. Received on August 23, 2022 at 12:50 PM.
Call for No Subject Provided

Anonymous User from , CA

August 15, 2022 at 6:04 PM

650-581-0866 reported as a Robocall. Received on August 15, 2022 at 3:00 PM.
Call for No Subject Provided

Anonymous User from San Diego, CA

September 29, 2020 at 11:32 PM

None reported as a Abandoned Calls. Received on September 29, 2020 at 4:21 PM.
Unwanted call for unknown
Caller ID indicated they called from 650-581-5798
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

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650-581-2XXX: 650-581-2020 | 650-581-2200 | 650-581-2203 | 650-581-2224 | 650-581-2262 | 650-581-2500 | 650-581-2507 | 650-581-2508 | 650-581-2525 | 650-581-2600 | 650-581-2640 | 650-581-2645 | 650-581-2647 | 650-581-2662 | 650-581-2668 |
650-581-3XXX: 650-581-3760 | 650-581-3762 | 650-581-3764 | 650-581-3776 | 650-581-3777 | 650-581-3778 |
650-581-4XXX: 650-581-4192 | 650-581-4197 | 650-581-4198 | 650-581-4800 | 650-581-4805 | 650-581-4808 | 650-581-4887 | 650-581-4888 | 650-581-4889 |
650-581-5XXX: 650-581-5757 | 650-581-5787 | 650-581-5795 | 650-581-5797 | 650-581-5799 |
650-581-7XXX: 650-581-7900 | 650-581-7906 | 650-581-7909 | 650-581-7995 | 650-581-7997 | 650-581-7998 |