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: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-499 A Fort Irwin CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-499 0 Fort Irwin CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-499 1 Fort Irwin CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-499 2 Fort Irwin CA   624H ONVOY SPECTRUM, LLC 730   2021-07-25   
442-499 3 Fort Irwin CA   624H ONVOY SPECTRUM, LLC 730   2021-11-08   
442-499 5 Fort Irwin CA   624H ONVOY SPECTRUM, LLC 730   2021-11-08   
442-499 6 Fort Irwin CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-11-05   
442-499 8 Fort Irwin CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-02-15   
442-499 9 Fort Irwin CA   965H FRACTEL, LLC 730   2020-11-14   

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

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