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: 819

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-819 A Campbell CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
408-819 0 Campbell CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-03-07   
408-819 1 Campbell CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-09-09   
408-819 2 Campbell CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-29   
408-819 3 Campbell CA   318J COMCAST IP PHONE, LLC 722   2013-08-27   
408-819 4 Campbell CA   6529 T-MOBILE USA, INC. 722   2014-03-30   
408-819 5 Campbell CA   508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
408-819 6 Campbell CA   6529 T-MOBILE USA, INC. 722   2014-02-02   
408-819 7 Campbell CA   649C ONVOY, LLC - CA 722   2013-12-02   
408-819 8 Campbell CA   6529 T-MOBILE USA, INC. 722   2013-12-05   
408-819 9 Campbell CA   649C ONVOY, LLC - CA 722   2013-12-02   

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

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