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: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-723 A La Mesa CA SNDGCAJWHMD  732J NUSO, LLC 732      
858-723 0 La Mesa CA SNDGCAJWDS0  649C ONVOY, LLC - CA 732   2022-03-14   
858-723 1 La Mesa CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2022-04-02   
858-723 2 La Mesa CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2023-12-20   
858-723 3 La Mesa CA SNDGCA0266Z  516J TON80 COMMUNICATIONS, LLC 732   2022-03-13   
858-723 4 La Mesa CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2023-03-23   
858-723 5 La Mesa CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2024-11-26   
858-723 6 La Mesa CA SNDGCAJWHMD  732J NUSO, LLC 732   2023-11-14   
858-723 7 La Mesa CA SNDGCAJW6MD  073H TELNYX LLC 732   2022-12-05   
858-723 8 La Mesa CA SNDGCA02XIZ  981E BANDWIDTH.COM CLEC, LLC - CA 732   2022-10-10   
858-723 9 La Mesa CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2022-03-14   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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