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: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-479 A Culver City CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-479 0 Culver City CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-479 1 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-479 2 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-479 3 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-479 4 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-479 5 Culver City CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-479 6 Culver City CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-479 7 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-479 8 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-479 9 Culver City CA LSANCARCD3S  649C ONVOY, LLC - CA 730      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.