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: 739

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
289-739 A Ancaster ON HMTNON14X0X  383H INNSYSVOICE CORP - ON 888 805103    

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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