Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-343 A Beverly Hills CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-343 0 Beverly Hills CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-04-30   
424-343 1 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-05-12   
424-343 2 Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-05-12   
424-343 3 Beverly Hills CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-05-24   
424-343 4 Beverly Hills CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-05-24   
424-343 5 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2014-06-20   
424-343 6 Beverly Hills CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-06-06   
424-343 7 Beverly Hills CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-07-11   
424-343 8 Beverly Hills CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2014-07-27   
424-343 9 Beverly Hills CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-04-28   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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