510-255

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Raw Number510255
Basic Format510-255
NPA (Area Code)510
NXX255

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
510-255-0XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS04/28/2011RICHMONDCAWC06/27/2011
510-255-1XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS04/28/2011RICHMONDCAWC06/27/2011
510-255-2XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS04/28/2011RICHMONDCAWC06/27/2011
510-255-3XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS04/28/2011RICHMONDCAWC06/27/2011
510-255-4XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS08/02/2011RICHMONDCAWC08/28/2011
510-255-5XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS08/02/2011RICHMONDCAWC08/28/2011
510-255-6XXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS08/02/2011RICHMONDCAWC08/28/2011
510-255-7XXX394LCOMCAST PHONE OF CALIFORNIA, LLCRICHMONDAS09/07/2011RICHMONDCAWC10/03/2011
510-255-8XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CARICHMONDAS08/16/2012RICHMONDCAWC09/14/2012
510-255-9XXX6529T-MOBILE USA, INC.RICHMONDAS12/07/2011RICHMONDCAWC01/05/2012
510-255-XXXX981EBANDWIDTH.COM CLEC, LLC - CARICHMONDAS04/28/2011RICHMONDCA

Business/Government Phones on the 510-255 Prefix

PhoneNameAddress
510-255-0025Inspire Family Acupuncture
510-255-0232Ruby Pratt
510-255-0555Imperium Investments, LLC
510-255-0698Proxifile, Inc.
510-255-0901Alembique Apothecary
510-255-0938Manzanita Design Build
510-255-0997Pcmonde
510-255-1094Ryland Construction
510-255-1103PMI Oakland
510-255-1166Lakeshore Local SEO
510-255-1518Moore, Dashal
510-255-1936Terminus.
510-255-2495CSS Home Care
510-255-2700Nutiva
510-255-2800Sienna Communications
510-255-4046Golden State Cleaning Systems
510-255-4681SafeTight Security
510-255-7270ClientClicks
510-255-7604Linda's Bakery and Grocery
510-255-8400Cov Logistics Company
510-255-9155J R Hauling Company Inc.
510-255-9561J A C Dreamscapes A Partnership
510-255-0306RĀW Superfood Café | Fremont3768 D Capitol Avenue Fremont 94538 US
510-255-5841Olfactory Brewery & Blendery2245 3rd Street San Francisco 94107 US

Reports

Anonymous User from , CA

May 29, 2026 at 12:08 PM

510-255-5968 reported as a Live Voice or Other. Received on May 29, 2026 at 8:52 AM.
Call for Energy, solar, & utilities

Anonymous User from Marietta, Georgia

May 21, 2026 at 10:37 PM

510-255-3836 reported as a Live Voice or Other. Received on May 21, 2026 at 7:55 PM.
Call for Dropped call or no message

Anonymous User from Hayward, California

February 9, 2026 at 1:41 PM

510-255-4973 reported as a Robocall. Received on January 22, 2026 at 3:43 PM.

Anonymous User from , CA

February 4, 2026 at 1:26 PM

510-255-6352 reported as a Robocall. Received on February 4, 2026 at 9:19 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , NY

January 29, 2026 at 1:51 PM

510-255-5410 reported as a Robocall. Received on January 29, 2026 at 1:27 PM.

Anonymous User from Rapid City, South Dakota

December 19, 2025 at 6:29 PM

510-255-1582 reported as a Robocall. Received on December 19, 2025 at 4:24 AM.

Anonymous User from , CA

September 29, 2025 at 5:38 PM

510-255-0215 reported as a Robocall. Received on September 11, 2025 at 11:14 AM.

Anonymous User from San Diego, California

September 9, 2025 at 3:12 PM

510-255-6014 reported as a Robocall. Received on September 9, 2025 at 10:35 AM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from , CA

September 2, 2025 at 7:39 PM

510-255-6889 reported as a Robocall. Received on September 1, 2025 at 9:11 AM.
Call for Dropped call or no message

Anonymous User from Patterson, California

June 26, 2025 at 2:13 PM

510-255-6981 reported as a Live Voice or Other. Received on June 25, 2025 at 11:09 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

June 16, 2025 at 6:20 PM

510-255-4831 reported as a Live Voice or Other. Received on June 16, 2025 at 3:17 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Columbia, MD

April 29, 2025 at 7:13 PM

510-255-4097 reported as a Text Message. Received on April 29, 2025 at 2:30 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from Austin, TX

April 24, 2025 at 10:21 PM

800-672-9201 reported as a Live Voice. Received on April 24, 2025 at 10:44 AM.
Unwanted call for Health Insurance Services
Caller ID indicated they called from 510-255-6957
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Austin, Texas

April 24, 2025 at 6:24 PM

510-255-6957 reported as a Robocall. Received on April 24, 2025 at 10:44 AM.
Call for Medical & prescriptions

Anonymous User from , CA

March 28, 2025 at 5:32 PM

510-255-6971 reported as a unwanted call. Received on March 6, 2025 at 10:54 AM.
Call for No Subject Provided

Anonymous User from , CA

March 28, 2025 at 5:30 PM

510-255-6803 reported as a unwanted call. Received on March 22, 2025 at 2:58 PM.
Call for No Subject Provided

Anonymous User from San Lorenzo, California

March 27, 2025 at 1:37 PM

510-255-6856 reported as a Live Voice or Other. Received on March 1, 2025 at 2:19 PM.

Anonymous User from San Lorenzo, California

March 27, 2025 at 1:34 PM

510-255-6773 reported as a Live Voice or Other. Received on March 15, 2025 at 1:18 PM.

Anonymous User from San Francisco, California

March 14, 2025 at 7:09 PM

510-255-6962 reported as a Live Voice or Other. Received on March 14, 2025 at 3:39 PM.
Call for Dropped call or no message

Anonymous User from , CA

March 3, 2025 at 7:38 PM

510-255-6921 reported as a Live Voice or Other. Received on March 3, 2025 at 3:00 PM.

Anonymous User from San Francisco, California

February 25, 2025 at 7:54 PM

510-255-6806 reported as a Live Voice or Other. Received on February 25, 2025 at 9:18 AM.
Call for Dropped call or no message

Anonymous User from , CA

February 11, 2025 at 7:57 PM

510-255-6432 reported as a Robocall. Received on February 11, 2025 at 9:58 AM.
Call for Dropped call or no message

Anonymous User from Warren, Michigan

February 7, 2025 at 9:33 AM

510-255-3074 reported as a Robocall. Received on February 6, 2025 at 2:38 PM.
Call for Dropped call or no message

Anonymous User from , CA

August 13, 2024 at 5:38 PM

510-255-6889 reported as a Robocall. Received on August 13, 2024 at 4:34 PM.

Anonymous User from , CA

July 5, 2024 at 5:00 PM

510-255-8941 reported as a Live Voice or Other. Received on July 5, 2024 at 1:36 PM.
Call for No Subject Provided

Anonymous User from , CA

March 11, 2024 at 5:45 PM

510-255-4893 reported as a Live Voice or Other. Received on March 11, 2024 at 10:44 AM.
Call for No Subject Provided

Anonymous User from , CA

March 6, 2024 at 4:21 PM

510-255-5381 reported as a Live Voice or Other. Received on March 5, 2024 at 11:31 AM.
Call for No Subject Provided

Anonymous User from San Jose, California

November 20, 2023 at 3:34 PM

510-255-3988 reported as a Robocall. Received on November 20, 2023 at 9:47 AM.
Call for Medical & prescriptions

Anonymous User from , CA

October 30, 2023 at 7:23 PM

510-255-0832 reported as a Robocall. Received on August 15, 2023 at 1:08 PM.

Anonymous User from , CA

October 10, 2023 at 11:33 AM

510-255-2150 reported as a Live Voice or Other. Received on October 10, 2023 at 11:32 AM.

Anonymous User from Fairfield, California

September 25, 2023 at 10:53 PM

510-255-6907 reported as a Robocall. Received on September 25, 2023 at 7:15 AM.
Call for Medical & prescriptions

Anonymous User from Newark, California

September 7, 2023 at 12:36 PM

510-255-4735 reported as a Robocall. Received on September 7, 2023 at 8:19 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Richmond, California

June 21, 2023 at 2:42 PM

510-255-6957 reported as a Live Voice or Other. Received on June 21, 2023 at 11:35 PM.
Call for Medical & prescriptions

Anonymous User from Hunter, New York

May 30, 2023 at 5:43 PM

510-255-5904 reported as a Live Voice or Other. Received on May 30, 2023 at 2:04 PM.

Anonymous User from San Mateo, California

May 24, 2023 at 1:15 PM

510-255-6163 reported as a unwanted call. Received on May 15, 2023 at 10:23 AM.
Call for Dropped call or no message

Anonymous User from , CA

April 5, 2023 at 7:09 PM

510-255-3673 reported as a Robocall. Received on April 5, 2023 at 1:51 PM.
Call for No Subject Provided

Anonymous User from Salt Lake City, Utah

April 4, 2023 at 4:07 AM

510-255-6311 reported as a Robocall. Received on December 14, 2022 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Shepherd, Montana

February 20, 2023 at 1:13 PM

510-255-3239 reported as a Robocall. Received on February 20, 2023 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Stoneham, Massachusetts

September 22, 2022 at 4:16 PM

510-255-2081 reported as a unwanted call. Received on September 22, 2022 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , NJ

September 8, 2022 at 3:31 PM

510-255-2081 reported as a Live Voice or Other. Received on September 8, 2022 at 3:23 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Milpitas, California

July 26, 2022 at 1:34 AM

510-255-0670 reported as a Live Voice or Other. Received on July 25, 2022 at 1:57 PM.

Anonymous User from Newark, California

July 16, 2022 at 2:26 PM

510-255-9733 reported as a Robocall. Received on July 16, 2022 at 11:00 AM.

Anonymous User from San Leandro, California

July 11, 2022 at 1:04 PM

510-255-4943 reported as a Live Voice or Other. Received on July 11, 2022 at 10:01 AM.

Anonymous User from Milpitas, California

July 7, 2022 at 1:28 AM

510-255-0670 reported as a Live Voice or Other. Received on July 6, 2022 at 12:57 PM.
Call for Dropped call or no message

Anonymous User from , CA

July 6, 2022 at 11:03 PM

510-255-2962 reported as a Live Voice or Other. Received on July 6, 2022 at 4:00 PM.
Call for No Subject Provided

Anonymous User from , CA

June 29, 2022 at 7:12 PM

510-255-8034 reported as a Robocall. Received on June 29, 2022 at 3:09 PM.

Anonymous User from Pasadena, MD

June 24, 2022 at 5:00 PM

None reported as a Text Message. Received on June 24, 2022 at 12:30 PM.
Unwanted call for unknown
Caller ID indicated they called from 510-255-6307
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Hershey, Pennsylvania

June 24, 2022 at 2:45 PM

510-255-3302 reported as a Live Voice or Other. Received on June 24, 2022 at 2:32 AM.

Anonymous User from , CA

June 3, 2022 at 1:30 PM

510-255-2230 reported as a Robocall. Received on June 3, 2022 at 10:26 AM.

Anonymous User from Newark, California

May 31, 2022 at 3:31 PM

510-255-2072 reported as a Robocall. Received on May 31, 2022 at 10:36 AM.
Call for Warranties & protection plans

Anonymous User from Hayward, California

May 27, 2022 at 12:10 AM

510-255-3697 reported as a unwanted call. Received on May 26, 2022 at 2:58 PM.
Call for No Subject Provided

Anonymous User from Hayward, California

May 27, 2022 at 12:09 AM

510-255-3697 reported as a unwanted call. Received on May 26, 2022 at 2:56 PM.
Call for No Subject Provided

Anonymous User from , CA

June 30, 2017 at 8:56 PM

510-255-6589 reported as a Live Voice. Received on June 30, 2017 at 1:45 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

June 27, 2017 at 12:05 AM

877-681-3976 reported as a Live Voice. Received on June 26, 2017 at 12:00 PM.
Unwanted call for unknown
Caller ID indicated they called from 510-255-2146
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

April 26, 2017 at 9:14 PM

None reported as a Live Voice. Received on April 26, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-255-2146
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

February 6, 2017 at 11:56 PM

None reported as a Live Voice. Received on February 6, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-255-6879
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

January 30, 2017 at 10:10 PM

None reported as a Live Voice. Received on January 30, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-255-6932
Contacted via Wired

Anonymous User from , CA

December 30, 2014 at 9:18 PM

reported as a Prerecorded Voice. Received on December 30, 2014 at 8:34 AM.
Robocall for unknown
Caller ID indicated they called from 510-255-6352
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

510-255-0XXX: 510-255-0015 | 510-255-0020 | 510-255-0023 | 510-255-0024 | 510-255-0230 | 510-255-0236 | 510-255-0238 | 510-255-0246 | 510-255-0247 | 510-255-0248 | 510-255-0550 | 510-255-0555 | 510-255-0559 | 510-255-0587 | 510-255-0602 | 510-255-0606 | 510-255-0647 | 510-255-0670 | 510-255-0673 | 510-255-0676 | 510-255-0802 | 510-255-0806 | 510-255-0808 | 510-255-0830 | 510-255-0837 | 510-255-0838 | 510-255-0900 | 510-255-0902 | 510-255-0907 | 510-255-0909 | 510-255-0952 |
510-255-1XXX: 510-255-1000 | 510-255-1001 | 510-255-1008 | 510-255-1091 | 510-255-1095 | 510-255-1099 | 510-255-1100 | 510-255-1103 | 510-255-1108 | 510-255-1111 | 510-255-1122 | 510-255-1500 | 510-255-1506 | 510-255-1508 | 510-255-1512 | 510-255-1514 | 510-255-1515 | 510-255-1900 | 510-255-1933 | 510-255-1937 | 510-255-1939 | 510-255-1997 | 510-255-1998 |
510-255-2XXX: 510-255-2000 | 510-255-2006 | 510-255-2007 | 510-255-2077 | 510-255-2078 | 510-255-2079 | 510-255-2100 | 510-255-2143 | 510-255-2146 | 510-255-2149 | 510-255-2166 | 510-255-2169 | 510-255-2200 | 510-255-2233 | 510-255-2234 | 510-255-2236 | 510-255-2400 | 510-255-2447 | 510-255-2483 | 510-255-2491 | 510-255-2496 | 510-255-2499 | 510-255-2700 | 510-255-2703 | 510-255-2707 | 510-255-2771 | 510-255-2777 | 510-255-2778 | 510-255-2800 | 510-255-2808 | 510-255-2809 | 510-255-2888 | 510-255-2900 | 510-255-2960 | 510-255-2962 | 510-255-2969 | 510-255-2992 | 510-255-2998 |
510-255-3XXX: 510-255-3000 | 510-255-3030 | 510-255-3062 | 510-255-3070 | 510-255-3077 | 510-255-3078 | 510-255-3230 | 510-255-3232 | 510-255-3236 | 510-255-3252 | 510-255-3256 | 510-255-3258 | 510-255-3300 | 510-255-3303 | 510-255-3307 | 510-255-3333 | 510-255-3336 | 510-255-3600 | 510-255-3658 | 510-255-3668 | 510-255-3670 | 510-255-3677 | 510-255-3678 | 510-255-3900 | 510-255-3906 | 510-255-3983 | 510-255-3986 | 510-255-3988 | 510-255-3998 |
510-255-4XXX: 510-255-4000 | 510-255-4040 | 510-255-4045 | 510-255-4047 | 510-255-4062 | 510-255-4600 | 510-255-4683 | 510-255-4686 | 510-255-4688 | 510-255-4730 | 510-255-4734 | 510-255-4737 | 510-255-4887 | 510-255-4888 | 510-255-4889 | 510-255-4890 | 510-255-4895 | 510-255-4899 | 510-255-4945 | 510-255-4947 | 510-255-4949 | 510-255-4996 | 510-255-4997 | 510-255-4998 |
510-255-5XXX: 510-255-5380 | 510-255-5385 | 510-255-5387 | 510-255-5947 | 510-255-5948 | 510-255-5949 | 510-255-5957 | 510-255-5959 | 510-255-5997 |
510-255-6XXX: 510-255-6162 | 510-255-6163 | 510-255-6166 | 510-255-6353 | 510-255-6355 | 510-255-6358 | 510-255-6362 | 510-255-6363 | 510-255-6369 | 510-255-6430 | 510-255-6434 | 510-255-6436 | 510-255-6446 | 510-255-6447 | 510-255-6452 | 510-255-6500 | 510-255-6515 | 510-255-6550 | 510-255-6580 | 510-255-6583 | 510-255-6588 | 510-255-6761 | 510-255-6762 | 510-255-6767 | 510-255-6773 | 510-255-6776 | 510-255-6777 | 510-255-6870 | 510-255-6875 | 510-255-6877 | 510-255-6900 | 510-255-6901 | 510-255-6906 | 510-255-6995 | 510-255-6996 | 510-255-6998 |
510-255-7XXX: 510-255-7270 | 510-255-7272 | 510-255-7277 | 510-255-7600 | 510-255-7606 | 510-255-7608 | 510-255-7609 | 510-255-7654 |
510-255-8XXX: 510-255-8000 | 510-255-8008 | 510-255-8009 | 510-255-8030 | 510-255-8031 | 510-255-8038 | 510-255-8400 | 510-255-8404 | 510-255-8409 | 510-255-8452 | 510-255-8453 | 510-255-8454 | 510-255-8944 | 510-255-8947 | 510-255-8949 | 510-255-8996 | 510-255-8997 | 510-255-8998 |
510-255-9XXX: 510-255-9152 | 510-255-9153 | 510-255-9157 | 510-255-9192 | 510-255-9195 | 510-255-9196 | 510-255-9500 | 510-255-9550 | 510-255-9562 | 510-255-9565 | 510-255-9569 | 510-255-9705 | 510-255-9706 | 510-255-9707 | 510-255-9730 | 510-255-9736 | 510-255-9737 |