Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-779 A Rancho Santa Fe CA SNDHCAAXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-779 0 Rancho Santa Fe CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2014-09-26   
858-779 1 Rancho Santa Fe CA SNDGCA02X9Y  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2008-01-31   
858-779 2 Rancho Santa Fe CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2014-09-26   
858-779 3 Rancho Santa Fe CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2014-12-14   
858-779 4 Rancho Santa Fe CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2009-01-14   
858-779 5 Rancho Santa Fe CA SNDHCAAXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 732      
858-779 6 Rancho Santa Fe CA SNDGCA0239Z  7575 CENTURYLINK COMMUNICATIONS LLC 732   2014-07-09   
858-779 7 Rancho Santa Fe CA   6529 T-MOBILE USA, INC. 732   2021-03-17   
858-779 8 Rancho Santa Fe CA SNDGCA0255Z  073H TELNYX LLC 732   2017-06-05   
858-779 9 Rancho Santa Fe CA SNDGCA02X6X  4733 PAETEC COMMUNICATIONS, INC. - CA 732   2002-08-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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