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The 650-644-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

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Recently Unidentified numbers

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

650-644-6358Level 3 Communications
650-644-1655Pacific Bell
650-644-4526Pacific Bell
650-644-1105Teleport Communications Group - San Francisco
650-644-4923Pacific Bell
650-644-4485Allegiance Telecom
650-644-2722Pac - West Telecomm
650-644-6934Metro PCS
650-644-7018Allegiance Telecom
650-644-4619Pacific Bell
650-644-6330Metro PCS
650-644-8437Tw Telecom Of California Lp
650-644-9188Pacific Bell
650-644-7898Sprint Spectrum L.p.

Most searched numbers

Cell
All TimeThis Month
650-644-4497First seen 2019-09-11650-644-9991First seen 2011-09-11
650-644-7444First seen 2010-06-20650-644-9396First seen 2016-12-08
650-644-7444First seen 2017-11-12650-644-1608First seen 2017-12-08
650-644-4497First seen 2012-09-11650-644-9707First seen 2017-05-23
650-644-9381First seen 2015-07-13650-644-8818First seen 2011-09-18
Landline
All TimeThis Month
650-644-8488First seen 2016-12-08650-644-6016First seen 2019-11-04
650-644-9504First seen 2015-03-22650-644-6016First seen 2019-07-17
650-644-5799First seen 2019-10-04650-644-8081First seen 2016-06-27
650-644-6016First seen 2018-02-05650-644-8038First seen 2011-02-19
650-644-9810First seen 2010-12-09650-644-1912First seen 2015-04-01

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