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The 650-204-XXXX area code prefix is located in San Jose, California including San Mateo, San Bruno and was originally put into service on October 11th 1997. Run a search and find out who's calling you now.

Recently Reported Numbers

Not Available

Recently Unidentified numbers

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

650-204-6832Pacific Bell
650-204-6282Pacific Bell
650-204-7904Level 3 Communications
650-204-3147Pacific Bell
650-204-1689Pacific Bell
650-204-6812Tw Telecom Of California Lp
650-204-8282Teleport Communications Group - San Francisco
650-204-5184New Cingular Wireless PCS
650-204-2291Sprint Spectrum L.p.
650-204-9604Pacific Bell
650-204-5119Pacific Bell
650-204-4396O1 Communications
650-204-8781Sprint Spectrum L.p.
650-204-4066T-mobile Usa
650-204-2709Pacific Bell
650-204-7451Pacific Bell
650-204-3122Pacific Bell

Most searched numbers

Cell
All TimeThis Month
650-204-8687First seen 2012-07-04650-204-7625First seen 2013-02-25
650-204-7400First seen 2013-03-14650-204-4438First seen 2017-09-26
650-204-2998First seen 2011-07-21650-204-7208First seen 2013-10-22
650-204-7016First seen 2019-08-12650-204-2703First seen 2011-02-08
650-204-5288First seen 2010-12-31650-204-3505First seen 2016-11-16
Landline
All TimeThis Month
650-204-2800First seen 2019-09-10650-204-7844First seen 2010-10-27
650-204-1732First seen 2013-12-26650-204-9379First seen 2011-10-01
650-204-5376First seen 2012-11-11650-204-9932First seen 2015-09-10
650-204-2888First seen 2010-01-29650-204-5376First seen 2019-06-16
650-204-4062First seen 2014-11-25650-204-8094First seen 2014-09-09

Cities With coverage

CITY LIST
Brisbane
Colma
Fremont
Half Moon Bay
La Honda
Los Altos
Millbrae
Moss Beach
Mountain View
Pacifica
Palo Alto
Pescadero
Redwood City
S San Fran
San Bruno
San Carlos
San Francisco
San Jose
San Mateo
Sunnyvale
Woodside