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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Mitchell, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-303 A SRFRONEF3MD  004G QUADRO COMMUNICATIONS CO-OPERATIVE INC. - ON 888 805137    
519-348 A MTCHON16RS0  8051 BELL ONTARIO 888 805137    
548-221 A MTCHON160MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805137    
548-543 A SRFRON387MD  464D FIBERNETICS CORPORATION 888 805137    

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

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