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: 758

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-758 A Olancha CA LSANCAJWIMD  965H FRACTEL, LLC 730      
442-758 0 Olancha CA   649C ONVOY, LLC - CA 730   2021-08-09   
442-758 3 Olancha CA   516J TON80 COMMUNICATIONS, LLC 730   2021-07-02   
442-758 6 Olancha CA   965H FRACTEL, LLC 730   2020-07-27   
442-758 8 Olancha CA   624H ONVOY SPECTRUM, LLC 730   2021-11-08   
442-758 9 Olancha CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-04-23   

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

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