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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Callander, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
249-406 A NRBAONMI3MD  464D FIBERNETICS CORPORATION 888 805133    
705-713 A CLDRON010MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805133    
705-752 A CLDRON01RS0  8051 BELL ONTARIO 888 805133    

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

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