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: SARNON306MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
226-776 A Sarnia ON 464D FIBERNETICS CORPORATION 888 805128    
548-412 A Alvinston ON 464D FIBERNETICS CORPORATION 888 805128    
548-413 A Brigden ON 464D FIBERNETICS CORPORATION 888 805128    
548-414 A Bright's Grove ON 464D FIBERNETICS CORPORATION 888 805128    
548-415 A Corunna ON 464D FIBERNETICS CORPORATION 888 805128    
548-416 A Courtright ON 464D FIBERNETICS CORPORATION 888 805128    
548-417 A Oil Springs ON 464D FIBERNETICS CORPORATION 888 805128    
548-418 A Petrolia ON 464D FIBERNETICS CORPORATION 888 805128    
548-419 A Port Lambton ON 464D FIBERNETICS CORPORATION 888 805128    
548-420 A Sombra ON 464D FIBERNETICS CORPORATION 888 805128    
548-421 A Watford ON 464D FIBERNETICS CORPORATION 888 805128    
548-422 A Wyoming ON 464D FIBERNETICS CORPORATION 888 805128    
548-454 A Sarnia ON 464D FIBERNETICS CORPORATION 888 805128    

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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