Local Calling Guide

Area code/prefix search

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

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
579-557 A Saint-Chrysostome QC   2243 TELUS COMMUNICATIONS (QUEBEC) INC. - QC 888 805010    

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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