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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-667 A Inyokern CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-667 0 Inyokern CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-667 1 Inyokern CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-667 2 Inyokern CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-12-06   
442-667 3 Inyokern CA   939H COMMIO, LLC 730   2022-10-16   
442-667 4 Inyokern CA   624H ONVOY SPECTRUM, LLC 730   2025-01-30   
442-667 5 Inyokern CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-17   
442-667 6 Inyokern CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-04-21   
442-667 7 Inyokern CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-17   
442-667 8 Inyokern CA   965H FRACTEL, LLC 730   2021-02-27   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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