Local Calling Guide

Area code/prefix search

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NPA: 289 [Rate centres in NPA 289] [Dial plan for NPA 289]

NXX: 852

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
289-852 A Uxbridge ON RMHLON347MD  4727 ISP TELECOM, INC. 888 805145    

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

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