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: CHHMON179MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
226-768 A Chatham ON 464D FIBERNETICS CORPORATION 888 805101    
226-996 A Chatham ON 464D FIBERNETICS CORPORATION 888 805101    
382-483 A Chatham ON 464D FIBERNETICS CORPORATION 888 805101    
548-370 A Blenheim ON 464D FIBERNETICS CORPORATION 888 805101    
548-371 A Bothwell ON 464D FIBERNETICS CORPORATION 888 805101    
548-372 A Dresden ON 464D FIBERNETICS CORPORATION 888 805101    
548-373 A Highgate ON 464D FIBERNETICS CORPORATION 888 805101    
548-374 A Merlin ON 464D FIBERNETICS CORPORATION 888 805101    
548-375 A Ridgetown ON 464D FIBERNETICS CORPORATION 888 805101    
548-376 A Thamesville ON 464D FIBERNETICS CORPORATION 888 805101    
548-377 A Tilbury ON 464D FIBERNETICS CORPORATION 888 805101    
548-378 A Wallaceburg ON 464D FIBERNETICS CORPORATION 888 805101    

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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