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.

Switch: RMHLON34OMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
289-258 A Aurora ON 383H INNSYSVOICE CORP - ON 888 805145    
289-262 A Bethesda ON 383H INNSYSVOICE CORP - ON 888 805145    
289-461 A Bolton ON 383H INNSYSVOICE CORP - ON 888 805145    
289-462 A Claremont ON 383H INNSYSVOICE CORP - ON 888 805145    
289-486 A Gormley ON 383H INNSYSVOICE CORP - ON 888 805145    
289-528 A Keswick ON 383H INNSYSVOICE CORP - ON 888 805145    
289-530 A King City ON 383H INNSYSVOICE CORP - ON 888 805145    
289-531 A Kleinburg ON 383H INNSYSVOICE CORP - ON 888 805145    
289-532 A Maple ON 383H INNSYSVOICE CORP - ON 888 805145    
289-534 A Mount Albert ON 383H INNSYSVOICE CORP - ON 888 805145    
289-535 A Newmarket ON 383H INNSYSVOICE CORP - ON 888 805145    
289-542 A Nobleton ON 383H INNSYSVOICE CORP - ON 888 805145    
289-543 A Oak Ridges ON 383H INNSYSVOICE CORP - ON 888 805145    
289-546 A Palgrave ON 383H INNSYSVOICE CORP - ON 888 805145    
289-549 A Queensville ON 383H INNSYSVOICE CORP - ON 888 805145    
289-557 A Schomberg ON 383H INNSYSVOICE CORP - ON 888 805145    
289-558 A Stouffville ON 383H INNSYSVOICE CORP - ON 888 805145    
289-559 A Sutton ON 383H INNSYSVOICE CORP - ON 888 805145    
289-561 A Thornhill ON 383H INNSYSVOICE CORP - ON 888 805145    
289-563 A Unionville ON 383H INNSYSVOICE CORP - ON 888 805145    
289-564 A Uxbridge ON 383H INNSYSVOICE CORP - ON 888 805145    
289-641 A Woodbridge ON 383H INNSYSVOICE CORP - ON 888 805145    
289-666 A Markham ON 383H INNSYSVOICE CORP - ON 888 805145    
289-699 A Richmond Hill ON 383H INNSYSVOICE CORP - ON 888 805145    
905-368 A Markham ON 383H INNSYSVOICE CORP - ON 888 805145    

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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