Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-227 A Crater Lake OR WHCYORXXDMD  750E ONVOY, LLC - OR 670      
458-227 0 Crater Lake OR   073H TELNYX LLC 670   2020-09-18   
458-227 1 Crater Lake OR   750E ONVOY, LLC - OR 670   2021-04-26   
458-227 2 Crater Lake OR   826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 670   2018-08-07   
458-227 3 Crater Lake OR   750E ONVOY, LLC - OR 670   2021-04-04   
458-227 4 Crater Lake OR   750E ONVOY, LLC - OR 670   2019-09-20   
458-227 5 Crater Lake OR   750E ONVOY, LLC - OR 670   2020-02-22   
458-227 6 Crater Lake OR   750E ONVOY, LLC - OR 670   2021-02-11   
458-227 7 Crater Lake OR   750E ONVOY, LLC - OR 670   2016-05-19   
458-227 8 Crater Lake OR   750E ONVOY, LLC - OR 670   2016-05-19   
458-227 9 Crater Lake OR   750E ONVOY, LLC - OR 670   2022-06-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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