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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-588 A Hawthorne CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-588 0 Hawthorne CA   649C ONVOY, LLC - CA 730   2026-03-02   
424-588 1 Hawthorne CA   624H ONVOY SPECTRUM, LLC 730   2021-11-15   
424-588 2 Hawthorne CA   624H ONVOY SPECTRUM, LLC 730   2021-11-15   
424-588 3 Hawthorne CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-588 4 Hawthorne CA   624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-588 5 Hawthorne CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-588 6 Hawthorne CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-588 7 Hawthorne CA   649C ONVOY, LLC - CA 730   2021-08-08   
424-588 8 Hawthorne CA   965H FRACTEL, LLC 730   2020-08-31   
424-588 9 Hawthorne CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-18   

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

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