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: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-437 A San Diego: Mira Mesa DA CA SNDGCA16DS0  9740 PACIFIC BELL 732      
858-437 0 San Diego: Mira Mesa DA CA SNDGCA16DS0  9740 PACIFIC BELL 732      
858-437 1 San Diego: Mira Mesa DA CA VISTCA65CM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-437 2 San Diego: Mira Mesa DA CA VISTCA65CM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-437 3 San Diego: Mira Mesa DA CA VISTCA65CM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-437 4 San Diego: Mira Mesa DA CA VISTCA65CM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2004-01-26   
858-437 5 San Diego: Mira Mesa DA CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2014-04-12   
858-437 6 San Diego: Mira Mesa DA CA SNDGCA0255Z  073H TELNYX LLC 732   2017-03-24   
858-437 7 San Diego: Mira Mesa DA CA VISTCA65CM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-09-11   
858-437 8 San Diego: Mira Mesa DA CA   649C ONVOY, LLC - CA 732   2007-03-02   
858-437 9 San Diego: Mira Mesa DA CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2010-07-04   

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

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