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510-856

You are reviewing the Area Code (NPA/NXX) report for 510-856. Did you mean to search the SMS short code 510856?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number510856
Basic Format510-856
NPA (Area Code)510
NXX856

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
510-856-0XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCHAYWARDRTHAYWARDCAWC
510-856-1XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCHAYWARDRTHAYWARDCAWC
510-856-2XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHAYWARDAS12/11/2006HAYWARDCAWC01/06/2007
510-856-3XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCHAYWARDRTHAYWARDCAWC
510-856-4XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCHAYWARDRTHAYWARDCAWC
510-856-5XXX8826LEVEL 3 COMMUNICATIONS, LLC - CAHAYWARDAS02/28/2006HAYWARDCAWC03/25/2006
510-856-6XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHAYWARDAS09/23/2005HAYWARDCAWC10/21/2005
510-856-7XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHAYWARDAS09/23/2005HAYWARDCAWC10/21/2005
510-856-8XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHAYWARDAS09/23/2005HAYWARDCAWC10/21/2005
510-856-9XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCHAYWARDRTHAYWARDCAWC
510-856-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCHAYWARDASHAYWARDCA

Business/Government Phones on the 510-856 Prefix

PhoneNameAddress
510-856-21841st Tribal Lending dba Mid America Mortgage
510-856-2313Sharp HID
510-856-4001National Seating and Mobility
510-856-4800Castro Valley Open MRI Medical Group Inc.
510-856-7715Pacific Homes Inspection
510-856-9102Miva Salon
510-856-0305Taco Bell20923;20925 Redwood Road Castro Valley 94546 US
510-856-6722San Leandro Boys & Girls Club401 Marina Boulevard San Leandro 94577 US

Reports

Anonymous User from , CA

March 19, 2026 at 3:13 AM

510-856-8880 reported as a Robocall. Received on March 17, 2026 at 8:10 AM.

Anonymous User from , CA

March 10, 2026 at 3:12 AM

510-856-8880 reported as a unwanted call. Received on March 9, 2026 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Union City, California

January 5, 2026 at 1:23 PM

510-856-9142 reported as a Live Voice or Other. Received on January 5, 2026 at 8:09 PM.
Call for Medical & prescriptions

Anonymous User from Castro Valley, California

January 10, 2025 at 5:57 PM

510-856-8428 reported as a Robocall. Received on January 10, 2025 at 1:52 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from California, California

April 10, 2024 at 3:28 PM

510-856-8845 reported as a Robocall. Received on April 10, 2024 at 7:00 AM.
Call for Medical & prescriptions

Anonymous User from Oakland, California

March 11, 2024 at 6:03 PM

510-856-5966 reported as a Live Voice or Other. Received on March 11, 2024 at 2:26 PM.
Call for Medical & prescriptions

Anonymous User from Pleasant Hill Public, California

January 26, 2024 at 7:43 PM

510-856-1086 reported as a Robocall. Received on January 25, 2024 at 10:45 AM.
Call for Medical & prescriptions

Anonymous User from , CA

June 19, 2023 at 3:00 PM

510-856-7297 reported as a Live Voice or Other. Received on June 19, 2023 at 11:26 AM.
Call for No Subject Provided

Anonymous User from Campbell, California

May 17, 2023 at 11:11 PM

510-856-2010 reported as a Robocall. Received on May 17, 2023 at 7:31 AM.
Call for Computer & technical support

Anonymous User from , CA

November 30, 2022 at 1:55 PM

510-856-6450 reported as a Robocall. Received on November 29, 2022 at 9:10 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from South Windsor, Connecticut

July 30, 2022 at 12:28 AM

510-856-3551 reported as a Robocall. Received on July 18, 2022 at 5:01 PM.
Call for Dropped call or no message

Anonymous User from Belmont, California

July 21, 2022 at 10:30 AM

510-856-9832 reported as a Live Voice or Other. Received on July 17, 2022 at 12:15 PM.

Anonymous User from , CA

July 19, 2022 at 3:31 PM

510-856-2425 reported as a Robocall. Received on July 19, 2022 at 10:53 AM.

Anonymous User from , CA

June 20, 2022 at 9:05 PM

510-856-2010 reported as a Robocall. Received on June 20, 2022 at 6:04 PM.
Call for Warranties & protection plans

Anonymous User from , CA

June 12, 2022 at 7:29 PM

510-856-2010 reported as a Robocall. Received on June 10, 2022 at 12:01 PM.
Call for Warranties & protection plans

Anonymous User from Omaha, Nebraska

June 7, 2022 at 5:29 PM

510-856-3245 reported as a Robocall. Received on June 7, 2022 at 4:06 PM.
Call for Dropped call or no message

Anonymous User from , VT

June 1, 2022 at 4:46 PM

510-856-7608 reported as a Live Voice or Other. Received on June 1, 2022 at 4:33 PM.

Anonymous User from Edmonds, Washington

June 1, 2022 at 2:32 PM

510-856-0994 reported as a Robocall. Received on June 1, 2022 at 5:03 AM.
Call for Warranties & protection plans

Anonymous User from Cerritos, CA

November 20, 2020 at 7:55 PM

None reported as a Prerecorded Voice. Received on November 20, 2020 at 11:57 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-856-1300
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

August 27, 2015 at 12:15 AM

reported as a Prerecorded Voice. Received on August 26, 2015 at 4:04 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 510-856-2301
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

510-856-0XXX: 510-856-0300 | 510-856-0302 | 510-856-0303 | 510-856-0309 | 510-856-0500 | 510-856-0506 | 510-856-0530 | 510-856-0590 | 510-856-0591 | 510-856-0599 | 510-856-0900 | 510-856-0907 | 510-856-0909 | 510-856-0990 | 510-856-0991 | 510-856-0998 |
510-856-1XXX: 510-856-1000 | 510-856-1003 | 510-856-1006 | 510-856-1080 | 510-856-1083 | 510-856-1088 | 510-856-1300 | 510-856-1303 | 510-856-1305 | 510-856-1308 |
510-856-2XXX: 510-856-2000 | 510-856-2006 | 510-856-2014 | 510-856-2015 | 510-856-2016 | 510-856-2053 | 510-856-2180 | 510-856-2187 | 510-856-2188 | 510-856-2191 | 510-856-2196 | 510-856-2198 | 510-856-2300 | 510-856-2301 | 510-856-2303 | 510-856-2345 | 510-856-2362 | 510-856-2400 | 510-856-2420 | 510-856-2424 | 510-856-2425 | 510-856-2447 | 510-856-2478 |
510-856-3XXX: 510-856-3200 | 510-856-3240 | 510-856-3245 | 510-856-3246 | 510-856-3500 | 510-856-3550 | 510-856-3551 | 510-856-3555 | 510-856-3600 | 510-856-3606 | 510-856-3608 | 510-856-3620 | 510-856-3650 |
510-856-4XXX: 510-856-4000 | 510-856-4002 | 510-856-4007 | 510-856-4054 | 510-856-4062 | 510-856-4800 | 510-856-4805 | 510-856-4808 | 510-856-4888 |
510-856-5XXX: 510-856-5100 | 510-856-5120 | 510-856-5123 | 510-856-5125 | 510-856-5150 | 510-856-5200 | 510-856-5207 | 510-856-5209 | 510-856-5220 | 510-856-5250 | 510-856-5900 | 510-856-5960 | 510-856-5962 | 510-856-5969 | 510-856-5996 | 510-856-5997 |
510-856-6XXX: 510-856-6000 | 510-856-6001 | 510-856-6002 | 510-856-6008 | 510-856-6020 | 510-856-6060 | 510-856-6300 | 510-856-6303 | 510-856-6307 | 510-856-6340 | 510-856-6341 | 510-856-6343 | 510-856-6400 | 510-856-6404 | 510-856-6409 | 510-856-6450 | 510-856-6451 | 510-856-6453 | 510-856-6600 | 510-856-6656 | 510-856-6660 | 510-856-6662 | 510-856-6666 | 510-856-6669 | 510-856-6700 | 510-856-6701 | 510-856-6720 | 510-856-6721 | 510-856-6723 | 510-856-6777 |
510-856-7XXX: 510-856-7200 | 510-856-7290 | 510-856-7297 | 510-856-7299 | 510-856-7340 | 510-856-7343 | 510-856-7345 | 510-856-7373 | 510-856-7376 | 510-856-7383 | 510-856-7600 | 510-856-7608 | 510-856-7609 | 510-856-7620 | 510-856-7700 | 510-856-7710 | 510-856-7711 | 510-856-7715 | 510-856-7770 | 510-856-7777 |
510-856-8XXX: 510-856-8000 | 510-856-8003 | 510-856-8006 | 510-856-8030 | 510-856-8035 | 510-856-8038 | 510-856-8100 | 510-856-8160 | 510-856-8161 | 510-856-8166 | 510-856-8191 | 510-856-8197 | 510-856-8400 | 510-856-8404 | 510-856-8420 | 510-856-8423 | 510-856-8425 | 510-856-8430 | 510-856-8500 | 510-856-8520 | 510-856-8521 | 510-856-8522 | 510-856-8550 | 510-856-8556 | 510-856-8800 | 510-856-8801 | 510-856-8840 | 510-856-8844 | 510-856-8847 | 510-856-8880 |
510-856-9XXX: 510-856-9100 | 510-856-9105 | 510-856-9109 | 510-856-9110 | 510-856-9195 | 510-856-9800 | 510-856-9830 | 510-856-9833 | 510-856-9838 |