Local Calling Guide

Area code/prefix search

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NPA: 604 [Rate centres in NPA 604] [Dial plan for NPA 604]

NXX: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
604-634 A Whalley BC SRRYBCADAMD  8304 ALLSTREAM INC. 888 808612    

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

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