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: 757

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-757 A Torrance CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-757 0 Torrance CA   649C ONVOY, LLC - CA 730   2006-08-26   
424-757 1 Torrance CA   649C ONVOY, LLC - CA 730   2021-07-12   
424-757 2 Torrance CA   899D METROPCS NETWORKS, LLC 730   2009-06-27   
424-757 3 Torrance CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-02-18   
424-757 4 Torrance CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-01-13   
424-757 5 Torrance CA   649C ONVOY, LLC - CA 730   2023-01-01   
424-757 6 Torrance CA   649C ONVOY, LLC - CA 730   2008-06-16   
424-757 7 Torrance CA   899D METROPCS NETWORKS, LLC 730   2007-07-09   
424-757 8 Torrance CA   899D METROPCS NETWORKS, LLC 730   2007-07-09   
424-757 9 Torrance CA   649C ONVOY, LLC - CA 730   2009-07-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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