Area code 650 was first put in service August 02, 1997. Area code 650 is in USA (California). 1-800-database has 1246 records on file with a phone number in the area code of (650) and 119 comments.

The carriers providing phone numbers in 650 area code are: 33 Wireless Inc., Allegiance Telecom, American Messaging (am), American Messaging Services, Astound Broadband, AT&T Local, Bandwidth.com Clec, Broadwing Communications, Brooks Fiber Communications Of California, Cellco Partnership DBA Verizon Wireless, Cf Communications DBA Telekenex, Comcast Phone Of California, Global Crossing Local Services-ca, Level 3 Communications, Mcimetro Access Transmission Services LLC, Mci Worldcom Communications, Ca, Metro PCS, Mpower Communications Corp, New Cingular Wireless PCS, North County Communications Corp., O1 Communications, Pacific Bell, Pac - West Telecomm, Peerless Network Of California, Sbc Internet Services, Sprint Spectrum L.p., Teleport Communications Group - San Francisco, The Telephone Connection Local Services, T-mobile Usa, Tw Telecom Of California Lp, Usa Mobility Wireless, U.s. Telepacific Corp., Utility Telephone, Xo California.

Counties located in area code 650 are: LASSEN, SAN FRANCISCO, SAN MATEO, SANTA CLARA.



State: California

Largest city: San Mateo

In service since: 08/02/1997

Timezone: Pacific


Major Cities in 650
Daly City, CA (101,123)
San Mateo, CA (97,207)
Redwood City, CA (76,815)
Mountain View, CA (74,066)
Palo Alto, CA (64,403)
South San Francisco, CA (63,632)
San Bruno, CA (41,114)
Pacifica, CA (37,234)
Menlo Park, CA (32,026)
Foster City, CA (30,567)
Zip Codes in 650
9401094015
9401994020
9402294025
9403094038
9404194044
9406094063
9406694070
9430194306
9440396009
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