Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 289 [Rate centres in NPA 289] [Dial plan for NPA 289]

NXX: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
289-285 A Caledonia ON CLDNON01AMD  8304 ALLSTREAM INC. 888 805103    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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