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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Markstay, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
249-248 A SDBRON98SMD  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805102    
249-426 A SDBRONME2MD  464D FIBERNETICS CORPORATION 888 805102    
249-491 A SDBRON98X4X  154E IRISTEL INC. - ON 888 805102    
249-803 A SDBRON98X4X  154E IRISTEL INC. - ON 888 805102    
249-808 A SDBRON98X4X  154E IRISTEL INC. - ON 888 805102    
705-598 A SDBRONDK0MD  4878 BRAGG COMMUNICATIONS INC. 888 805102    
705-853 A MKSYON54RS0  8051 BELL ONTARIO 888 805102    

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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