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: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-703 A San Pedro CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-703 0 San Pedro CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2010-02-04   
424-703 1 San Pedro CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2010-02-04   
424-703 2 San Pedro CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2010-02-04   
424-703 3 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-06   
424-703 4 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-06   
424-703 5 San Pedro CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-06   
424-703 6 San Pedro CA SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2010-12-13   
424-703 7 San Pedro CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2018-11-04   
424-703 8 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-18   
424-703 9 San Pedro CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-08-06   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.