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

510-438

You are reviewing the Area Code (NPA/NXX) report for 510-438. Did you mean to search the SMS short code 510438?

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 Number510438
Basic Format510-438
NPA (Area Code)510
NXX438

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
510-438-0XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-1XXX981EBANDWIDTH.COM CLEC, LLC - CAFRNK OLIVRAS12/09/2020FREMONT-NEWARK:OLIVER DACAWC01/08/2021
510-438-2XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-3XXX981EBANDWIDTH.COM CLEC, LLC - CAFRNK OLIVRAS12/09/2020FREMONT-NEWARK:OLIVER DACAWC01/08/2021
510-438-4XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-5XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-6XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-7XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-8XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-9XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-438-XXXX9740PACIFIC BELLFRNK OLIVRASFREMONT-NEWARK:OLIVER DACA

Business/Government Phones on the 510-438 Prefix

PhoneNameAddress
510-438-0100Estates At Park Place
510-438-0128Revive Acupuncture
510-438-0508Marvin C Mah OD
510-438-0561Best Property Management
510-438-0700Executive Homes Realty, Inc.
510-438-0800Flanders Heat & Air Systems
510-438-0900sugarbabiesmaltese
510-438-1960Cameron Murphey
510-438-4560BizLink
510-438-6500Dryco Construction, Inc.
510-438-6868JD Global Law Group
510-438-8542Hytek Solutions, Inc
510-438-8806R C's Mechanical Services
510-438-8811Premier Properties
510-438-8839New York Pizza
510-438-8888Irvington Auto Service
510-438-9043Sobia's Daycare
510-438-9077Knight Roofing
510-438-9090Foxit Software Company
510-438-9171Bayside Interiors Inc.
510-438-9192Spectrum Lithograph Inc.
510-438-9200Pyramid Painting Inc.
510-438-9221Auto Sound & Auto Care
510-438-9288Accell Corp
510-438-9355Taco Bravo
510-438-9474The UPS Store
510-438-9663Brent's Custom Cabinets Inc
510-438-9752Fremont Mission Music Institute
510-438-9999Marinelli Real Estate
510-438-0128Revive Acupuncture43430 Mission Blvd #200 Fremont 94539 US
510-438-1468Think Circuits8000 Edgewater Drive Oakland 94621 US
510-438-8877Weddings And Dreams Bridal40530 Albrae Street Fremont 94538 US
510-438-9922Farmers Insurance3900 Union Street Fremont 94538 US

Reports

Anonymous User from Fremont, California

September 24, 2025 at 12:21 PM

510-438-9294 reported as a Live Voice or Other. Received on September 24, 2025 at 7:42 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

August 7, 2025 at 3:42 PM

510-438-3243 reported as a Live Voice or Other. Received on August 7, 2025 at 9:00 AM.
Call for Dropped call or no message

Anonymous User from Piedmont, California

July 25, 2025 at 11:37 AM

510-438-3179 reported as a unwanted call. Received on July 25, 2025 at 8:36 AM.

Anonymous User from Richmond, California

July 11, 2025 at 10:26 AM

510-438-9970 reported as a Live Voice or Other. Received on July 10, 2025 at 2:49 PM.
Call for Charities

Anonymous User from , CA

July 10, 2025 at 1:06 PM

510-438-0877 reported as a Live Voice or Other. Received on July 4, 2025 at 11:33 AM.

Anonymous User from Brentwood, California

July 9, 2025 at 8:47 PM

510-438-3960 reported as a Live Voice or Other. Received on July 9, 2025 at 5:38 PM.

Anonymous User from Fremont, California

June 29, 2025 at 2:29 PM

510-438-3837 reported as a Live Voice or Other. Received on June 27, 2025 at 9:16 AM.

Anonymous User from Fremont, California

June 29, 2025 at 2:26 PM

510-438-9300 reported as a Robocall. Received on June 28, 2025 at 9:14 AM.

Anonymous User from Cal7f, California

November 21, 2024 at 5:02 PM

510-438-2609 reported as a Robocall. Received on November 20, 2024 at 12:00 AM.
Call for Charities

Anonymous User from Marysville, WA

November 16, 2024 at 6:47 PM

510-438-1621 reported as a Text Message. Received on November 16, 2024 at 4:01 PM.
Unwanted call for Vacations Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Tonawanda, NY

November 15, 2024 at 9:48 PM

510-438-1621 reported as a Prerecorded Voice. Received on November 15, 2024 at 4:30 PM.
Unwanted call for Other Services
Contacted via Wired

Anonymous User from San Diego, California

December 28, 2023 at 4:17 PM

510-438-1609 reported as a Robocall. Received on December 28, 2023 at 1:03 PM.
Call for Charities

Anonymous User from , CA

December 27, 2023 at 6:57 PM

510-438-1829 reported as a Live Voice or Other. Received on December 27, 2023 at 3:49 PM.
Call for Charities

Anonymous User from Moorpark, California

December 9, 2023 at 12:43 AM

510-438-1601 reported as a Live Voice or Other. Received on December 8, 2023 at 1:15 PM.
Call for Dropped call or no message

Anonymous User from , CA

December 3, 2023 at 4:09 PM

510-438-3783 reported as a unwanted call. Received on December 1, 2023 at 9:43 AM.
Call for No Subject Provided

Anonymous User from Livermore, California

November 10, 2023 at 1:51 PM

510-438-2642 reported as a Robocall. Received on November 10, 2023 at 10:01 AM.

Anonymous User from Piedmont, California

June 15, 2023 at 7:53 PM

510-438-0625 reported as a Robocall. Received on June 15, 2023 at 4:10 PM.
Call for Energy, solar, & utilities

Anonymous User from San Leandro, California

February 6, 2023 at 2:21 PM

510-438-0124 reported as a Live Voice or Other. Received on February 6, 2023 at 10:29 AM.

Anonymous User from Pleasant Hill, California

September 1, 2022 at 4:07 PM

510-438-0201 reported as a Robocall. Received on September 1, 2022 at 11:56 AM.

Anonymous User from Hollister, California

August 16, 2022 at 6:00 PM

510-438-3736 reported as a Live Voice or Other. Received on August 12, 2022 at 11:23 AM.

Anonymous User from Hollister, California

August 16, 2022 at 5:59 PM

510-438-3736 reported as a Live Voice or Other. Received on August 12, 2022 at 11:22 AM.

Most 'popular' numbers on this prefix:

510-438-0XXX: 510-438-0122 | 510-438-0125 | 510-438-0128 | 510-438-0152 | 510-438-0157 | 510-438-0158 | 510-438-0200 | 510-438-0202 | 510-438-0208 | 510-438-0238 | 510-438-0247 | 510-438-0248 | 510-438-0500 | 510-438-0505 | 510-438-0506 | 510-438-0560 | 510-438-0561 | 510-438-0567 | 510-438-0600 | 510-438-0602 | 510-438-0620 | 510-438-0623 | 510-438-0625 | 510-438-0630 | 510-438-0700 | 510-438-0702 | 510-438-0707 | 510-438-0777 | 510-438-0800 | 510-438-0802 | 510-438-0808 | 510-438-0900 | 510-438-0902 | 510-438-0907 | 510-438-0909 |
510-438-1XXX: 510-438-1600 | 510-438-1605 | 510-438-1608 | 510-438-1647 | 510-438-1662 | 510-438-1800 | 510-438-1820 | 510-438-1822 | 510-438-1824 | 510-438-1852 | 510-438-1887 | 510-438-1960 | 510-438-1962 | 510-438-1964 | 510-438-1993 | 510-438-1997 | 510-438-1998 |
510-438-2XXX: 510-438-2600 | 510-438-2606 | 510-438-2607 | 510-438-2609 | 510-438-2657 | 510-438-2658 |
510-438-3XXX: 510-438-3776 | 510-438-3777 | 510-438-3778 | 510-438-3780 | 510-438-3783 | 510-438-3788 | 510-438-3800 | 510-438-3840 | 510-438-3845 | 510-438-3847 |
510-438-4XXX: 510-438-4500 | 510-438-4508 | 510-438-4560 | 510-438-4562 | 510-438-4567 | 510-438-4700 | 510-438-4705 | 510-438-4706 | 510-438-4707 |
510-438-6XXX: 510-438-6100 | 510-438-6102 | 510-438-6105 | 510-438-6191 | 510-438-6197 | 510-438-6198 | 510-438-6200 | 510-438-6220 | 510-438-6222 | 510-438-6228 | 510-438-6247 | 510-438-6500 | 510-438-6501 | 510-438-6502 | 510-438-6508 | 510-438-6701 | 510-438-6704 | 510-438-6706 | 510-438-6790 | 510-438-6795 | 510-438-6799 | 510-438-6800 | 510-438-6801 | 510-438-6808 | 510-438-6860 | 510-438-6862 | 510-438-6869 |
510-438-7XXX: 510-438-7700 | 510-438-7707 | 510-438-7709 | 510-438-7770 | 510-438-7777 |
510-438-8XXX: 510-438-8500 | 510-438-8501 | 510-438-8540 | 510-438-8545 | 510-438-8547 | 510-438-8556 | 510-438-8800 | 510-438-8833 | 510-438-8837 | 510-438-8838 | 510-438-8880 | 510-438-8888 |
510-438-9XXX: 510-438-9000 | 510-438-9006 | 510-438-9009 | 510-438-9090 | 510-438-9096 | 510-438-9098 | 510-438-9100 | 510-438-9110 | 510-438-9170 | 510-438-9172 | 510-438-9175 | 510-438-9195 | 510-438-9200 | 510-438-9280 | 510-438-9287 | 510-438-9288 | 510-438-9300 | 510-438-9303 | 510-438-9330 | 510-438-9350 | 510-438-9355 | 510-438-9357 | 510-438-9400 | 510-438-9440 | 510-438-9470 | 510-438-9472 | 510-438-9475 | 510-438-9630 | 510-438-9660 | 510-438-9665 | 510-438-9667 | 510-438-9705 | 510-438-9706 | 510-438-9707 | 510-438-9753 | 510-438-9755 | 510-438-9757 | 510-438-9900 | 510-438-9907 | 510-438-9962 | 510-438-9990 | 510-438-9994 | 510-438-9999 |