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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-800 A Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-800 0 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-12-31   
424-800 1 Inglewood CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2012-03-12   
424-800 2 Inglewood CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-03-24   
424-800 3 Inglewood CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-04-19   
424-800 4 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-01-03   
424-800 5 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   
424-800 6 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   
424-800 7 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   
424-800 8 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-12-31   
424-800 9 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-04-30   

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.