Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chatsworth, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-955 A CHWOON430MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805122    
519-794 A CHWOON43RS0  8051 BELL ONTARIO 888 805122    
548-357 A OWSDON594MD  464D FIBERNETICS CORPORATION 888 805122    

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

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