Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 263

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-263 A Lomita CA ANHMCA01XEY  516C AT&T CORP. 730      
424-263 0 Lomita CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-10-11   
424-263 1 Lomita CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-10-11   
424-263 2 Lomita CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-12-31   
424-263 3 Lomita CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-08-28   
424-263 4 Lomita CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-01-10   
424-263 5 Lomita CA ANHMCA01XEY  516C AT&T CORP. 730   2006-08-26   
424-263 6 Lomita CA   649C ONVOY, LLC - CA 730   2024-04-26   
424-263 7 Lomita CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-12-07   
424-263 8 Lomita CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-10-26   
424-263 9 Lomita CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-11-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.