Local Calling Guide

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NPA: 579 [Rate centres in NPA 579] [Dial plan for NPA 579]

NXX: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
579-689 A Chambly QC CMBYPQ111MD  154E IRISTEL INC. - ON 888 805012    

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

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