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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-997 A Compton: Gardena DA CA   649C ONVOY, LLC - CA 730   2024-08-04   
424-997 0 Compton: Gardena DA CA   649C ONVOY, LLC - CA 730   2024-08-04   
424-997 1 Compton: Gardena DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-08-05   
424-997 2 Compton: Gardena DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-08-05   
424-997 7 Compton: Gardena DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-09-10   
424-997 8 Compton: Gardena DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-09-10   
424-997 9 Compton: Gardena DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-10-16   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.