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: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-790 A Inglewood CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2025-01-02   
424-790 0 Inglewood CA   649C ONVOY, LLC - CA 730   2025-11-10   
424-790 1 Inglewood CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-01-17   
424-790 2 Inglewood CA   490J DISH WIRELESS, LLC 730   2025-10-09   
424-790 3 Inglewood CA   490J DISH WIRELESS, LLC 730   2026-03-07   
424-790 4 Inglewood CA   490J DISH WIRELESS, LLC 730   2026-03-07   
424-790 5 Inglewood CA   624H ONVOY SPECTRUM, LLC 730   2025-01-02   
424-790 6 Inglewood CA   624H ONVOY SPECTRUM, LLC 730   2025-01-02   
424-790 7 Inglewood CA   624H ONVOY SPECTRUM, LLC 730   2025-01-02   
424-790 9 Inglewood CA   649C ONVOY, LLC - CA 730   2025-09-27   

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

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