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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-524 A Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 0 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 1 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 2 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 3 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 4 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 5 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 6 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 7 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 8 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   
424-524 9 Malibu CA   624H ONVOY SPECTRUM, LLC 730   2021-03-31   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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