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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-297 A Hawthorne CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
424-297 0 Hawthorne CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
424-297 1 Hawthorne CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-27   
424-297 2 Hawthorne CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-04-30   
424-297 3 Hawthorne CA   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   
424-297 4 Hawthorne CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-07-11   
424-297 5 Hawthorne CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-02-03   
424-297 6 Hawthorne CA   6529 T-MOBILE USA, INC. 730   2014-03-23   
424-297 7 Hawthorne CA   508J CENTURYLINK COMMUNICATIONS, LLC 730   2013-03-26   
424-297 8 Hawthorne CA   6529 T-MOBILE USA, INC. 730   2015-03-13   
424-297 9 Hawthorne CA   899D METROPCS NETWORKS, LLC 730   2013-08-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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