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: 352

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-352 A Hermiston OR   750E ONVOY, LLC - OR 672   2026-11-05   
458-352 0 Hermiston OR   750E ONVOY, LLC - OR 672   2026-11-05   
458-352 1 Hermiston OR   750E ONVOY, LLC - OR 672   2026-11-05   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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