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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Warren, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
249-267 A SDBRON98YMD  160G COMWAVE NETWORKS INC. - ON 888 805102    
249-326 A WRRNON420MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805102    
249-428 A SDBRONME2MD  464D FIBERNETICS CORPORATION 888 805102    
249-792 A SDBRON98SMD  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805102    
705-599 A SDBRONDK0MD  4878 BRAGG COMMUNICATIONS INC. 888 805102    
705-967 A WRRNON42RS0  8051 BELL ONTARIO 888 805102    

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

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