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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Blackstock, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
289-702 A PCNGON62IMD  383H INNSYSVOICE CORP - ON 888 805118    
365-239 A BLCSON990MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805118    
365-264 A OSHWON95X8X  4727 ISP TELECOM, INC. 888 805118    
365-408 A OSHWON95X0X  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805118    
365-669 A BLCSON99AMD  743B ROGERS COMMUNICATIONS CANADA INC. 888 805118    
365-812 A OSHWON95X3X  464D FIBERNETICS CORPORATION 888 805118    
365-834 A OSHWON95XPX  548H TEKSAVVY SOLUTIONS INC. - ON 888 805118    
742-201 A OSHWON95XQX  575G BEANFIELD TECHNOLOGIES INC. - ON 888 805118    
905-986 A BLCSON99RSA  8051 BELL ONTARIO 888 805118    

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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