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650-721

You are reviewing the Area Code (NPA/NXX) report for 650-721. Did you mean to search the SMS short code 650721?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number650721
Basic Format650-721
NPA (Area Code)650
NXX721

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityState
650-721-XXXX8826LEVEL 3 COMMUNICATIONS, LLC - CAPALO ALTOASPALO ALTOCA

Business/Government Phones on the 650-721 Prefix

PhoneNameAddress
650-721-7517Jennifer A Liebenthal M D
650-721-9422Stanford's Educational Program for Gifted Youth (E
650-721-6055Anderson Collection at Stanford University314 Lomita Drive US

Reports

Anonymous User from , CA

January 22, 2026 at 4:08 PM

650-721-8050 reported as a Robocall. Received on January 22, 2026 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from , TX

July 8, 2025 at 4:13 PM

650-721-9697 reported as a Robocall. Received on July 8, 2025 at 3:08 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Daly City, California

November 3, 2024 at 9:56 PM

650-721-0952 reported as a Live Voice or Other. Received on July 24, 2024 at 8:01 AM.

Anonymous User from Denison, Texas

October 2, 2024 at 12:43 PM

650-721-9996 reported as a Live Voice or Other. Received on October 2, 2024 at 11:41 AM.

Anonymous User from , CA

August 27, 2024 at 5:02 PM

650-721-8943 reported as a Live Voice or Other. Received on August 27, 2024 at 2:02 PM.

Anonymous User from Victorville, California

March 20, 2024 at 4:34 PM

650-721-9032 reported as a Robocall. Received on March 20, 2024 at 11:29 AM.

Anonymous User from Los Altos, California

June 7, 2023 at 1:38 PM

650-721-7704 reported as a Live Voice or Other. Received on June 7, 2023 at 9:52 AM.
Call for Home improvement & cleaning

Anonymous User from Ashland, Oregon

March 3, 2023 at 5:24 PM

650-721-1497 reported as a Live Voice or Other. Received on March 3, 2023 at 2:02 PM.

Anonymous User from , CA

January 3, 2023 at 11:11 AM

650-721-3999 reported as a Robocall. Received on January 3, 2023 at 7:48 AM.

Anonymous User from Mountain View, California

October 11, 2022 at 6:12 PM

650-721-7231 reported as a Robocall. Received on September 23, 2022 at 9:31 AM.
Call for Dropped call or no message

Anonymous User from , CA

July 8, 2022 at 1:54 PM

650-721-0484 reported as a Robocall. Received on July 8, 2022 at 10:36 AM.
Call for Warranties & protection plans

Anonymous User from Bakersfield, California

May 26, 2022 at 1:21 PM

650-721-6767 reported as a Live Voice or Other. Received on May 26, 2022 at 10:04 AM.

Anonymous User from Orange, CA

December 29, 2021 at 6:34 PM

650-721-4405 reported as a Prerecorded Voice. Received on December 29, 2021 at 1:31 PM.
Unwanted call for Solar Panels Services
Contacted via Wired

Most 'popular' numbers on this prefix:

650-721-0XXX: 650-721-0000 | 650-721-0001 | 650-721-0002 | 650-721-0015 | 650-721-0017 | 650-721-0020 | 650-721-0243 | 650-721-0246 | 650-721-0247 | 650-721-0248 | 650-721-0902 | 650-721-0907 | 650-721-0909 | 650-721-0952 | 650-721-0957 | 650-721-0958 |
650-721-1XXX: 650-721-1400 | 650-721-1403 | 650-721-1409 | 650-721-1491 | 650-721-1494 | 650-721-1499 | 650-721-1600 | 650-721-1608 | 650-721-1647 | 650-721-1660 | 650-721-1662 | 650-721-1665 | 650-721-1800 | 650-721-1852 | 650-721-1853 | 650-721-1854 | 650-721-1887 | 650-721-1911 | 650-721-1914 | 650-721-1919 | 650-721-1993 | 650-721-1997 | 650-721-1998 |
650-721-2XXX: 650-721-2135 | 650-721-2137 | 650-721-2139 | 650-721-2169 | 650-721-2188 | 650-721-2198 | 650-721-2400 | 650-721-2411 | 650-721-2414 | 650-721-2418 | 650-721-2434 | 650-721-2447 | 650-721-2600 | 650-721-2657 | 650-721-2658 | 650-721-2670 | 650-721-2677 | 650-721-2678 | 650-721-2950 | 650-721-2953 | 650-721-2954 | 650-721-2992 | 650-721-2995 | 650-721-2998 |
650-721-3XXX: 650-721-3500 | 650-721-3535 | 650-721-3580 | 650-721-3583 | 650-721-3588 | 650-721-3900 | 650-721-3933 | 650-721-3937 | 650-721-3939 | 650-721-3998 |
650-721-4XXX: 650-721-4125 | 650-721-4126 | 650-721-4129 | 650-721-4141 | 650-721-4142 | 650-721-4188 | 650-721-4400 | 650-721-4404 | 650-721-4409 | 650-721-4452 | 650-721-4745 | 650-721-4747 | 650-721-4748 | 650-721-4960 | 650-721-4962 | 650-721-4965 | 650-721-4992 | 650-721-4997 | 650-721-4998 |
650-721-6XXX: 650-721-6211 | 650-721-6212 | 650-721-6217 | 650-721-6247 | 650-721-6248 | 650-721-6258 | 650-721-6500 | 650-721-6507 | 650-721-6508 | 650-721-6580 | 650-721-6583 | 650-721-6588 | 650-721-6761 | 650-721-6762 | 650-721-6767 | 650-721-6783 | 650-721-6787 | 650-721-6900 | 650-721-6901 | 650-721-6906 | 650-721-6995 | 650-721-6996 | 650-721-6998 |
650-721-7XXX: 650-721-7232 | 650-721-7234 | 650-721-7237 | 650-721-7272 | 650-721-7278 | 650-721-7279 | 650-721-7370 | 650-721-7372 | 650-721-7373 | 650-721-7374 | 650-721-7377 | 650-721-7700 | 650-721-7707 | 650-721-7709 | 650-721-7777 | 650-721-7778 | 650-721-7860 | 650-721-7862 | 650-721-7869 | 650-721-7883 | 650-721-7887 |
650-721-9XXX: 650-721-9000 | 650-721-9020 | 650-721-9030 | 650-721-9031 | 650-721-9038 | 650-721-9090 | 650-721-9420 | 650-721-9425 | 650-721-9428 | 650-721-9440 |