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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-321 A El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-321 0 El Segundo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-321 1 El Segundo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-321 2 El Segundo CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
424-321 3 El Segundo CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
424-321 4 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-321 5 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-321 6 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-321 7 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-321 8 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-321 9 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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