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: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-531 A Compton: Gardena DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2024-02-09   
424-531 0 Compton: Gardena DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-531 1 Compton: Gardena DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-531 2 Compton: Gardena DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-531 3 Compton: Gardena DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-531 4 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730      
424-531 5 Compton: Gardena DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-531 6 Compton: Gardena DA CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
424-531 7 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-531 8 Compton: Gardena DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-531 9 Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.