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510 Area Code Prefixes

The 510 area code is located in San Jose, California including Hayward, Oakland and was originally put into service on January 14th 2000. Find whose number this is.

Recently Reported Numbers

(510) 350-2400Unknown

Called from ONE Number - Leave Message for a Return call to 208-262-0000 SPAM CALLER and the CALLER From this number 1-510-350-2400 is a SPAM... Don't answer - they came to get your Personal Info - BLOCK This Caller

(510) 229-2020Unknown

Robo call claiming to be from Verizon. Voice claimed my account was going to be closed. At that point I hung up.

(510) 804-3534Unknown

510 8043534 CLAIMED TO BE IRS.

(510) 871-9921Unknown

unknown caller left no message

(510) 211-6359Unknown

Missed a call from 510-211-6359.

(510) 435-7740Unknown

I didn't answer. No message.

(510) 890-4740Unknown

Keeps calling leaving no messages.

(510) 944-6933Unknown

No message left.

(510) 327-7641Unknown

Did not leave any message.

(510) 227-9007Unknown

For future reference, it’s maybe a robot to check if your phone number is ‘active’, meaning if you reply you’ll be flagged as such. After that, they’ll just sell this data to other scam artists.

Recently Unidentified numbers

510 area code numbers that might be spam, scams or that people have reported as unidentified callers

510-758-5293Pacific Bell
510-279-2485Pac - West Telecomm
510-343-6181Mpower Communications Corp
510-533-1405Pacific Bell
510-222-9754Pacific Bell
510-703-9740New Cingular Wireless PCS
510-992-5612Pac - West Telecomm
510-610-3264New Cingular Wireless PCS
510-234-1306Pacific Bell
510-314-5974Sprint Spectrum L.p.
510-321-6753Usa Mobility Wireless
510-362-6799T-mobile Usa
510-800-7369Cf Communications DBA Telekenex
510-743-7035Xo California
510-601-7311Pacific Bell
510-376-4866Sprint Spectrum L.p.

Most searched numbers

Cell
All Time This Month
510-362-4600 First seen 2013-02-05 510-800-9742 First seen 2013-11-30
510-343-5044 First seen 2014-10-07 510-992-7110 First seen 2010-06-01
510-222-7146 First seen 2017-10-29 510-925-6661 First seen 2017-03-14
510-610-4848 First seen 2017-04-16 510-321-7701 First seen 2016-07-11
510-601-5564 First seen 2017-11-29 510-601-5564 First seen 2011-07-25
Landline
All Time This Month
510-279-9055 First seen 2018-10-07 510-314-3389 First seen 2017-02-18
510-533-5311 First seen 2015-11-04 510-343-2702 First seen 2015-12-13
510-601-6330 First seen 2015-06-26 510-533-5311 First seen 2018-04-03
510-610-9554 First seen 2017-09-30 510-314-3389 First seen 2012-09-26
510-743-2968 First seen 2018-10-29 510-533-5311 First seen 2011-05-07

Cities With coverage

CITY LIST
Alameda
Albany
Berkeley
Crockett
El Sobrante
Fremont
Hayward
Hercules
Oakland
Richmond
San Francisco
San Jose
San Leandro
Sunnyvale
Union City
Walnut Creek