Local Calling Guide

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

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
579-551 A Mirabel-Saint-Augustin QC STESPQ351MD  4727 ISP TELECOM, INC. 888 805005    

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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