Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Chesley, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-433 A OWSDONCT0MD  4878 BRAGG COMMUNICATIONS INC. 888 805122    
226-563 A OWSDON592MD  038E BRUCE TELECOM - ON 888 805122    
226-954 A CSLYON450MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805122    
519-363 A CSLYON45RS0  8051 BELL ONTARIO 888 805122    
548-358 A OWSDON594MD  464D FIBERNETICS CORPORATION 888 805122    

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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