Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 426

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-426 A Campbell CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
408-426 0 Campbell CA   6529 T-MOBILE USA, INC. 722      
408-426 1 Campbell CA   6529 T-MOBILE USA, INC. 722      
408-426 2 Campbell CA   649C ONVOY, LLC - CA 722   2012-07-11   
408-426 3 Campbell CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2013-02-16   
408-426 4 Campbell CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2003-01-10   
408-426 5 Campbell CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-03   
408-426 6 Campbell CA   6529 T-MOBILE USA, INC. 722      
408-426 7 Campbell CA   6529 T-MOBILE USA, INC. 722      
408-426 8 Campbell CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-11-05   
408-426 9 Campbell CA   073H TELNYX LLC 722   2022-05-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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