Local Calling Guide

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NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-381 A Rancho Santa Fe CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-381 0 Rancho Santa Fe CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-04-30   
858-381 1 Rancho Santa Fe CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2026-06-03   
858-381 2 Rancho Santa Fe CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-05-28   
858-381 3 Rancho Santa Fe CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2011-08-15   
858-381 4 Rancho Santa Fe CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2012-07-22   
858-381 5 Rancho Santa Fe CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2008-01-31   
858-381 6 Rancho Santa Fe CA   793K TWC IP ENABLED SERVICES, LLC 732   2012-07-02   
858-381 7 Rancho Santa Fe CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2007-02-08   
858-381 8 Rancho Santa Fe CA SNDACA96DS0  7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-381 9 Rancho Santa Fe CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2017-03-17   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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