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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-400 A Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2024-01-23   
424-400 0 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2010-11-07   
424-400 1 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-01-10   
424-400 2 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-12   
424-400 3 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-12   
424-400 4 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-11-09   
424-400 5 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-23   
424-400 6 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-04-30   
424-400 7 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-04-02   
424-400 8 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-05-13   
424-400 9 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-09-17   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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