Local Calling Guide

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NPA: 819 [Rate centres in NPA 819] [Dial plan for NPA 819]

NXX: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
819-253 A Drummondville QC DRUMPQ776MD  4727 ISP TELECOM, INC. 888 805019    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Execulink Telecom

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