phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

510-999

You are reviewing the Area Code (NPA/NXX) report for 510-999. Did you mean to search the SMS short code 510999?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number510999
Basic Format510-999
NPA (Area Code)510
NXX999

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
510-999-0XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHAYWARDAS11/08/2010HAYWARDCAWC12/21/2010
510-999-1XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHAYWARDAS02/07/2011HAYWARDCAWC02/17/2011
510-999-2XXX6006CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHAYWARDAS05/05/2011HAYWARDCAWC06/02/2011
510-999-3XXX981EBANDWIDTH.COM CLEC, LLC - CAHAYWARDAS04/12/2011HAYWARDCAWC05/07/2011
510-999-4XXX981EBANDWIDTH.COM CLEC, LLC - CAHAYWARDAS04/12/2011HAYWARDCAWC05/07/2011
510-999-5XXX981EBANDWIDTH.COM CLEC, LLC - CAHAYWARDAS04/12/2011HAYWARDCAWC05/07/2011
510-999-6XXX981EBANDWIDTH.COM CLEC, LLC - CAHAYWARDAS04/12/2011HAYWARDCAWC05/07/2011
510-999-7XXX649CONVOY, LLC - CAHAYWARDAS01/11/2011HAYWARDCAWC02/06/2011
510-999-8XXX981EBANDWIDTH.COM CLEC, LLC - CAHAYWARDAS04/12/2011HAYWARDCAWC05/07/2011
510-999-9XXX649CONVOY, LLC - CAHAYWARDAS10/22/2010HAYWARDCAWC12/20/2010
510-999-XXXX649CONVOY, LLC - CAHAYWARDASHAYWARDCA

Business/Government Phones on the 510-999 Prefix

PhoneNameAddress
510-999-0025Crown Maintenance and Construction Co Inc.
510-999-0388MVE Systems, Inc.
510-999-1252Imagine Unique Construction
510-999-1349Butterfly Nails & Spa
510-999-2090Jaewook Jung
510-999-2246All Out Construction Services LLC
510-999-2963Netzero Builder
510-999-4135IBX Fitness
510-999-4333AutoDeals
510-999-4333Autoland
510-999-4447Tire Wheel Discounted
510-999-4490Civic Auto Glass
510-999-4515WDFA Custom Tees
510-999-6091First Fremont Appliance Repair
510-999-6165Apsara Foods LLC
510-999-7368Hernandez Party Rentals
510-999-7663The Roofing Friend, Inc.
510-999-7721A-1 Modular, Inc.
510-999-7732All For The Family Legal Clnc
510-999-7820Aegle Care Services LLC
510-999-8014Big Smile Dental Group
510-999-3838HL Peninsula Restaurant Castro Valley3868 Castro Valley Boulevard Castro Valley 94546 US
510-999-5003Refugio PentecostalUS

Reports

Anonymous User from , TX

April 2, 2026 at 4:56 PM

510-999-9683 reported as a Robocall. Received on April 2, 2026 at 2:39 PM.

Anonymous User from , CA

February 5, 2026 at 7:05 PM

510-999-9336 reported as a Robocall. Received on February 5, 2026 at 1:46 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Rodeo Rodeo, California

February 2, 2026 at 11:48 AM

510-999-8081 reported as a Robocall. Received on January 30, 2026 at 8:18 AM.
Call for Dropped call or no message

Anonymous User from Union City, California

December 22, 2025 at 2:18 PM

510-999-1351 reported as a Robocall. Received on December 22, 2025 at 11:10 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Fremont, Ca, California

December 20, 2025 at 11:33 AM

510-999-8581 reported as a Robocall. Received on December 20, 2025 at 8:02 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Fremont, California

July 15, 2025 at 9:01 PM

510-999-9893 reported as a Robocall. Received on June 13, 2025 at 1:13 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , TX

June 28, 2025 at 2:45 PM

510-999-9774 reported as a unwanted call. Received on June 28, 2025 at 12:00 AM.

Anonymous User from , FL

June 19, 2025 at 1:58 PM

510-999-7173 reported as a Robocall. Received on June 19, 2025 at 1:12 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from San Carlos, California

May 14, 2025 at 10:03 PM

510-999-5981 reported as a Robocall. Received on May 14, 2025 at 1:33 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Foresthill, California

May 9, 2025 at 5:12 PM

510-999-7757 reported as a Live Voice or Other. Received on May 6, 2025 at 9:22 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from San Carlos, California

May 2, 2025 at 9:36 PM

510-999-5981 reported as a Robocall. Received on May 2, 2025 at 2:51 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Oakland, CA

March 28, 2025 at 3:55 PM

reported as a Live Voice. Received on March 28, 2025 at 8:17 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-999-9560
Contacted via Wired

Anonymous User from San Francisco, New York

January 30, 2025 at 1:38 PM

510-999-9232 reported as a Live Voice or Other. Received on January 29, 2025 at 11:45 AM.

Anonymous User from , CA

November 17, 2024 at 3:58 PM

510-999-6839 reported as a Live Voice or Other. Received on October 25, 2024 at 9:08 AM.
Call for Dropped call or no message

Anonymous User from , CA

October 26, 2024 at 1:37 PM

510-999-6839 reported as a unwanted call. Received on October 25, 2024 at 9:08 AM.

Anonymous User from , CA

October 25, 2024 at 12:13 PM

510-999-6839 reported as a Live Voice or Other. Received on October 25, 2024 at 9:08 AM.

Anonymous User from , CA

October 7, 2024 at 4:27 PM

510-999-5854 reported as a Live Voice or Other. Received on October 7, 2024 at 1:21 PM.
Call for No Subject Provided

Anonymous User from Berkeley, California

July 11, 2024 at 12:32 PM

510-999-7573 reported as a Robocall. Received on July 11, 2024 at 8:10 AM.

Anonymous User from Berkeley, California

July 11, 2024 at 12:24 PM

510-999-7573 reported as a Robocall. Received on July 11, 2024 at 8:10 AM.

Anonymous User from San Diego, California

October 28, 2023 at 2:26 PM

510-999-8572 reported as a Live Voice or Other. Received on October 28, 2023 at 6:38 AM.

Anonymous User from , IN

September 28, 2023 at 12:00 PM

510-999-3626 reported as a unwanted call. Received on September 27, 2023 at 5:50 PM.
Call for No Subject Provided

Anonymous User from , CA

July 21, 2023 at 4:36 PM

510-999-9469 reported as a Robocall. Received on July 20, 2023 at 2:11 PM.

Anonymous User from San Jose, California

July 1, 2023 at 11:42 AM

510-999-2430 reported as a Robocall. Received on June 27, 2023 at 9:50 AM.
Call for Dropped call or no message

Anonymous User from , CA

June 19, 2023 at 12:30 PM

510-999-3863 reported as a Robocall. Received on June 16, 2023 at 1:05 PM.
Call for Dropped call or no message

Anonymous User from Mound City, Illinois

April 6, 2023 at 11:51 AM

510-999-7878 reported as a Live Voice or Other. Received on April 6, 2023 at 4:10 AM.

Anonymous User from , CA

March 29, 2023 at 6:23 PM

510-999-9051 reported as a Live Voice or Other. Received on March 29, 2023 at 2:03 PM.
Call for No Subject Provided

Anonymous User from , CA

March 27, 2023 at 3:20 PM

510-999-9051 reported as a Live Voice or Other. Received on March 27, 2023 at 10:48 AM.
Call for No Subject Provided

Anonymous User from , CA

February 27, 2023 at 2:54 PM

510-999-9051 reported as a Live Voice or Other. Received on February 27, 2023 at 8:56 AM.
Call for No Subject Provided

Anonymous User from , CA

February 17, 2023 at 4:09 PM

510-999-9051 reported as a Live Voice or Other. Received on February 17, 2023 at 1:01 PM.
Call for No Subject Provided

Anonymous User from , CA

February 15, 2023 at 5:24 PM

510-999-9051 reported as a Robocall. Received on February 15, 2023 at 1:14 AM.
Call for No Subject Provided

Anonymous User from , CA

February 7, 2023 at 5:52 PM

510-999-9051 reported as a Live Voice or Other. Received on February 7, 2023 at 1:47 PM.
Call for No Subject Provided

Anonymous User from Springdale, Arkansas

January 28, 2023 at 5:23 AM

510-999-3353 reported as a Robocall. Received on January 13, 2023 at 2:18 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

December 23, 2022 at 7:53 PM

510-999-7802 reported as a Robocall. Received on December 22, 2022 at 12:06 PM.

Anonymous User from , CA

December 16, 2022 at 2:07 PM

510-999-9474 reported as a Live Voice or Other. Received on December 16, 2022 at 10:57 AM.

Anonymous User from Redmond, California

December 8, 2022 at 8:14 PM

510-999-6236 reported as a Live Voice or Other. Received on December 8, 2022 at 8:46 AM.
Call for No Subject Provided

Anonymous User from , CA

November 28, 2022 at 2:13 PM

510-999-4281 reported as a Robocall. Received on November 28, 2022 at 10:51 AM.

Anonymous User from , CA

November 21, 2022 at 4:29 PM

51099987802 reported as a Robocall. Received on November 18, 2022 at 1:32 PM.

Anonymous User from , CA

August 24, 2022 at 3:59 PM

510-999-8955 reported as a Robocall. Received on August 24, 2022 at 12:53 PM.
Call for Dropped call or no message

Anonymous User from , CA

August 24, 2022 at 3:58 PM

510-999-8993 reported as a Live Voice or Other. Received on August 24, 2022 at 12:44 PM.
Call for Vacation & timeshares

Anonymous User from Brisbane, California

July 25, 2022 at 5:54 PM

510-999-4666 reported as a Robocall. Received on July 25, 2022 at 2:33 PM.
Call for Warranties & protection plans

Anonymous User from Laguna Hills, California

July 25, 2022 at 1:14 PM

510-999-7753 reported as a unwanted call. Received on July 21, 2022 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , CA

July 18, 2022 at 1:14 PM

510-999-3184 reported as a Live Voice or Other. Received on July 17, 2022 at 12:34 PM.
Call for Dropped call or no message

Anonymous User from Concord, California

June 3, 2022 at 1:10 PM

510-999-1230 reported as a Live Voice or Other. Received on June 3, 2022 at 10:06 AM.
Call for Home improvement & cleaning

Anonymous User from Southern Pines, NC

April 7, 2021 at 1:42 PM

None reported as a Text Message. Received on April 7, 2021 at 9:20 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-999-7576
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

May 27, 2017 at 6:14 PM

None reported as a Prerecorded Voice. Received on October 3, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 510-999-7569
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

510-999-0XXX: 510-999-0015 | 510-999-0019 | 510-999-0020 | 510-999-0023 | 510-999-0024 | 510-999-0157 | 510-999-0158 | 510-999-0178 | 510-999-0192 | 510-999-0197 | 510-999-0198 | 510-999-0302 | 510-999-0303 | 510-999-0309 | 510-999-0380 | 510-999-0383 | 510-999-0388 | 510-999-0523 | 510-999-0528 | 510-999-0529 | 510-999-0559 | 510-999-0583 | 510-999-0587 |
510-999-1XXX: 510-999-1000 | 510-999-1003 | 510-999-1004 | 510-999-1040 | 510-999-1045 | 510-999-1047 | 510-999-1200 | 510-999-1208 | 510-999-1209 | 510-999-1231 | 510-999-1232 | 510-999-1234 | 510-999-1300 | 510-999-1337 | 510-999-1340 | 510-999-1345 | 510-999-1347 | 510-999-1387 | 510-999-1800 | 510-999-1820 | 510-999-1822 | 510-999-1824 | 510-999-1852 | 510-999-1887 | 510-999-1920 | 510-999-1922 | 510-999-1929 | 510-999-1993 | 510-999-1997 | 510-999-1998 |
510-999-2XXX: 510-999-2000 | 510-999-2019 | 510-999-2053 | 510-999-2096 | 510-999-2097 | 510-999-2099 | 510-999-2200 | 510-999-2233 | 510-999-2240 | 510-999-2244 | 510-999-2247 | 510-999-2283 | 510-999-2303 | 510-999-2304 | 510-999-2305 | 510-999-2340 | 510-999-2347 | 510-999-2348 | 510-999-2400 | 510-999-2433 | 510-999-2434 | 510-999-2437 | 510-999-2447 | 510-999-2477 | 510-999-2600 | 510-999-2611 | 510-999-2614 | 510-999-2615 | 510-999-2658 | 510-999-2667 | 510-999-2960 | 510-999-2962 | 510-999-2969 | 510-999-2992 | 510-999-2993 | 510-999-2998 |
510-999-3XXX: 510-999-3180 | 510-999-3186 | 510-999-3188 | 510-999-3196 | 510-999-3197 | 510-999-3198 | 510-999-3300 | 510-999-3333 | 510-999-3336 | 510-999-3350 | 510-999-3353 | 510-999-3355 | 510-999-3600 | 510-999-3624 | 510-999-3625 | 510-999-3629 | 510-999-3658 | 510-999-3800 | 510-999-3860 | 510-999-3862 | 510-999-3869 |
510-999-4XXX: 510-999-4134 | 510-999-4135 | 510-999-4139 | 510-999-4149 | 510-999-4197 | 510-999-4198 | 510-999-4241 | 510-999-4249 | 510-999-4282 | 510-999-4283 | 510-999-4289 | 510-999-4297 | 510-999-4331 | 510-999-4333 | 510-999-4339 | 510-999-4343 | 510-999-4346 | 510-999-4349 | 510-999-4400 | 510-999-4409 | 510-999-4458 | 510-999-4490 | 510-999-4494 | 510-999-4499 | 510-999-4500 | 510-999-4510 | 510-999-4511 | 510-999-4515 | 510-999-4545 | 510-999-4600 | 510-999-4667 | 510-999-4668 | 510-999-4669 |
510-999-5XXX: 510-999-5500 | 510-999-5522 | 510-999-5525 | 510-999-5529 | 510-999-5554 | 510-999-5555 | 510-999-5850 | 510-999-5855 | 510-999-5858 | 510-999-5883 | 510-999-5887 | 510-999-5889 |
510-999-6XXX: 510-999-6000 | 510-999-6020 | 510-999-6060 | 510-999-6090 | 510-999-6096 | 510-999-6099 | 510-999-6163 | 510-999-6166 | 510-999-6167 | 510-999-6191 | 510-999-6197 | 510-999-6198 | 510-999-6230 | 510-999-6232 | 510-999-6237 | 510-999-6247 | 510-999-6258 | 510-999-6297 | 510-999-6830 | 510-999-6837 | 510-999-6838 | 510-999-6883 | 510-999-6887 | 510-999-6889 |
510-999-7XXX: 510-999-7000 | 510-999-7040 | 510-999-7045 | 510-999-7047 | 510-999-7070 | 510-999-7363 | 510-999-7365 | 510-999-7366 | 510-999-7371 | 510-999-7372 | 510-999-7373 | 510-999-7500 | 510-999-7507 | 510-999-7562 | 510-999-7567 | 510-999-7569 | 510-999-7654 | 510-999-7658 | 510-999-7663 | 510-999-7667 | 510-999-7668 | 510-999-7700 | 510-999-7750 | 510-999-7753 | 510-999-7755 | 510-999-7777 | 510-999-7778 | 510-999-7883 | 510-999-7887 | 510-999-7888 | 510-999-7889 |
510-999-8XXX: 510-999-8000 | 510-999-8009 | 510-999-8010 | 510-999-8015 | 510-999-8017 | 510-999-8080 | 510-999-8140 | 510-999-8144 | 510-999-8147 | 510-999-8187 | 510-999-8196 | 510-999-8197 | 510-999-8250 | 510-999-8255 | 510-999-8258 | 510-999-8282 | 510-999-8283 | 510-999-8500 | 510-999-8556 | 510-999-8559 | 510-999-8570 | 510-999-8577 | 510-999-8578 | 510-999-8778 | 510-999-8783 | 510-999-8784 | 510-999-8787 | 510-999-8953 | 510-999-8957 | 510-999-8959 | 510-999-8996 | 510-999-8997 | 510-999-8998 |
510-999-9XXX: 510-999-9000 | 510-999-9050 | 510-999-9053 | 510-999-9054 | 510-999-9060 | 510-999-9090 | 510-999-9192 | 510-999-9197 | 510-999-9198 | 510-999-9199 | 510-999-9230 | 510-999-9232 | 510-999-9239 | 510-999-9292 | 510-999-9297 | 510-999-9298 | 510-999-9470 | 510-999-9472 | 510-999-9478 | 510-999-9500 | 510-999-9550 | 510-999-9560 | 510-999-9567 | 510-999-9569 | 510-999-9643 | 510-999-9645 | 510-999-9648 | 510-999-9692 | 510-999-9696 | 510-999-9697 | 510-999-9900 | 510-999-9962 | 510-999-9990 | 510-999-9993 | 510-999-9999 |