Local Calling Guide

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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-663 A Sunnyvale CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
408-663 0 Sunnyvale CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-01-07   
408-663 1 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-01-14   
408-663 2 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-02-17   
408-663 3 Sunnyvale CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-05-07   
408-663 4 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-03   
408-663 5 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-03-08   
408-663 6 Sunnyvale CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-01-11   
408-663 7 Sunnyvale CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2012-02-13   
408-663 8 Sunnyvale CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2011-06-17   
408-663 9 Sunnyvale CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-04-05   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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