Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
249-232 A CHFRON592MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805102    
249-277 A SDBRON98SMD  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805102    
249-536 A SDBRON98DMD  4727 ISP TELECOM, INC. 888 805102    
705-421 A CHFRON591MD  709G BELL ALIANT REGIONAL COMMUNICATIONS LP 888 805102    
705-552 A CHFRONAV1MD  8304 ALLSTREAM INC. 888 805102    
705-590 A SDBRONDK0MD  4878 BRAGG COMMUNICATIONS INC. 888 805102    
705-815 A SDBRONME2MD  464D FIBERNETICS CORPORATION 888 805102 2024-02-08   
705-855 A CHFRON59DS0  8051 BELL ONTARIO 888 805102    

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

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