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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-391 A Winterhaven CA PHNXAZ19DMD  490J DISH WIRELESS, LLC 666      
442-391 0 Winterhaven CA PHNXAZ19DMD  490J DISH WIRELESS, LLC 666   2022-09-29   
442-391 1 Winterhaven CA   624H ONVOY SPECTRUM, LLC 666   2025-01-31   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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