Local Calling Guide

Area code/prefix search

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NPA: 548 [Rate centres in NPA 548] [Dial plan for NPA 548]

NXX: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
548-440 A Kitchener-Waterloo ON KTNRON06XRX  812H IXICA COMMUNICATIONS, INC. 888 805143    

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

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