Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-866 A Redondo CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-866 0 Redondo CA   649C ONVOY, LLC - CA 730   2022-01-02   
424-866 1 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2021-11-16   
424-866 2 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2021-11-16   
424-866 3 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2021-11-16   
424-866 4 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2021-11-16   
424-866 5 Redondo CA   624H ONVOY SPECTRUM, LLC 730   2021-11-16   
424-866 6 Redondo CA   965H FRACTEL, LLC 730   2021-11-15   
424-866 7 Redondo CA   649C ONVOY, LLC - CA 730   2022-01-02   
424-866 8 Redondo CA   649C ONVOY, LLC - CA 730   2022-01-02   
424-866 9 Redondo CA   6529 T-MOBILE USA, INC. 730   2022-01-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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