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: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
289-780 A Hamilton ON HMTNON14LMD  154E IRISTEL INC. - ON 888 805103    

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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