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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-275 A Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-275 0 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-04-05   
424-275 1 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-04-05   
424-275 2 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-06-30   
424-275 3 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-04-05   
424-275 4 Redondo CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2011-11-14   
424-275 5 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-09-08   
424-275 6 Redondo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-03-05   
424-275 7 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-04-05   
424-275 8 Redondo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-04-05   
424-275 9 Redondo CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-05-15   

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

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