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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Switch: SSMRON945MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
249-493 A Sault Ste Marie ON 154E IRISTEL INC. - ON 888 805108    
249-500 A Algoma Mills ON 154E IRISTEL INC. - ON 888 805108    
249-507 A Sault Ste Marie ON 154E IRISTEL INC. - ON 888 805108    
249-508 A Algoma Mills ON 154E IRISTEL INC. - ON 888 805108    
249-801 A Algoma Mills ON 154E IRISTEL INC. - ON 888 805108    
683-801 A Algoma Mills ON 154E IRISTEL INC. - ON 888 805108    
683-802 A Algoma Mills ON 154E IRISTEL INC. - ON 888 805108    
683-803 A Algoma Mills ON 154E IRISTEL INC. - ON 888 805108    
705-910 A Sault Ste Marie ON 154E IRISTEL INC. - ON 888 805108    
705-998 A Sault Ste Marie ON 154E IRISTEL INC. - ON 888 805108    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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