Local Calling Guide

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

NXX: 332

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
579-332 A Howick QC CTGYPQ131MD  4727 ISP TELECOM, INC. 888 805010    

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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