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.
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NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-790 A Inglewood CA   624H ONVOY SPECTRUM, LLC 730   2025-01-02   
424-790 5 Inglewood CA   624H ONVOY SPECTRUM, LLC 730      
424-790 6 Inglewood CA   624H ONVOY SPECTRUM, LLC 730      
424-790 7 Inglewood CA   624H ONVOY SPECTRUM, LLC 730      

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

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