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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-336 A Redmond OR   750E ONVOY, LLC - OR 672   2025-04-05   
458-336 0 Redmond OR   750E ONVOY, LLC - OR 672   2025-04-05   
458-336 6 Redmond OR   145J TERRA NOVA TELECOM INC. 672   2025-04-16   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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