Area code 408 was first put in service January 01, 1959. Area code 408 is in USA (California). 1-800-database has 2141 records on file with a phone number in the area code of (408) and 157 comments.
The carriers providing phone numbers in 408 area code are: 33 Wireless Inc., 360networks (usa) Inc., Allegiance Telecom, American Messaging (am), American Messaging Services, AT&T Local, Bandwidth.com Clec, Broadvox-clec, Broadwing Communications, Brooks Fiber Communications Of California, Cbeyond Communications, Cellco Partnership DBA Verizon Wireless, Cf Communications DBA Telekenex, Charter Fiberlink Ca-cco, Citrix Communications LLC, Comcast Phone Of California, Global Crossing Local Services-ca, Global Valley Networks, Hypercube Telecom, Level 3 Communications, Mcimetro Access Transmission Services LLC, Mci Worldcom Communications, Ca, Metro PCS, Mpower Communications Corp, Mpower Networks Services Inc., New Cingular Wireless PCS, North County Communications Corp., O1 Communications, Pacific Bell, Pacific Bell - Clec, 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., Verizon California Inc.-ca, Verizon California Inc.-ca (gte), Xo California, Ymax Communications Corp..
Counties located in area code 408 are: ALAMEDA, LASSEN, MONTEREY, SAN BENITO, SANTA CLARA.
Largest city: San Jose
In service since: 01/01/1959
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