Local Calling Guide

Area code/prefix search

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

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
579-877 A Valleyfield QC VYFDPQ479MD  743B ROGERS COMMUNICATIONS CANADA INC. 888 805004    

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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