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: CLTNON053MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
226-408 A Goderich ON 154E IRISTEL INC. - ON 888 805127    
226-455 A Clinton ON 154E IRISTEL INC. - ON 888 805127    
226-457 A Clinton ON 154E IRISTEL INC. - ON 888 805127    
226-458 A Goderich ON 154E IRISTEL INC. - ON 888 805127    
226-829 A Wingham ON 154E IRISTEL INC. - ON 888 805127    
226-841 A Wingham ON 154E IRISTEL INC. - ON 888 805127    
382-457 A Clinton ON 154E IRISTEL INC. - ON 888 805127    
382-458 A Clinton ON 154E IRISTEL INC. - ON 888 805127    
548-409 A Goderich ON 154E IRISTEL INC. - ON 888 805127    
548-410 A Goderich ON 154E IRISTEL INC. - ON 888 805127    
548-457 A Clinton ON 154E IRISTEL INC. - ON 888 805127    
548-829 A Wingham ON 154E IRISTEL INC. - ON 888 805127    

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

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