Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Winterhaven, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
442-391 A PHNXAZ19DMD  490J DISH WIRELESS, LLC 666      
442-391 0 PHNXAZ19DMD  490J DISH WIRELESS, LLC 666   2022-09-29   
442-391 1   624H ONVOY SPECTRUM, LLC 666   2025-01-31   
760-572 A WNHNCAXFPS0  2323 WINTERHAVEN TEL. CO. 666      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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