Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-450 A Twentynine Palms CA PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2024-05-02   
442-450 0 Twentynine Palms CA   649C ONVOY, LLC - CA 973   2024-05-02   
442-450 1 Twentynine Palms CA   649C ONVOY, LLC - CA 973   2024-05-02   
442-450 4 Twentynine Palms CA   624H ONVOY SPECTRUM, LLC 973   2024-11-01   
442-450 5 Twentynine Palms CA   624H ONVOY SPECTRUM, LLC 973   2024-11-01   
442-450 6 Twentynine Palms CA   624H ONVOY SPECTRUM, LLC 973   2024-11-01   
442-450 7 Twentynine Palms CA   624H ONVOY SPECTRUM, LLC 973   2024-11-01   
442-450 8 Twentynine Palms CA   624H ONVOY SPECTRUM, LLC 973   2024-05-29   
442-450 9 Twentynine Palms CA   624H ONVOY SPECTRUM, LLC 973   2024-11-01   

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

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