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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Sombra, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-389 A SARNON30GMD  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805128    
226-463 A SARNONFF0MD  8226 NO NORWICH TEL, LTD DBA EXECULINK TELECOM - ON 888 805128    
226-719 A SARNON30IMD  160G COMWAVE NETWORKS INC. - ON 888 805128    
519-892 A SMBRON23RS0  8051 BELL ONTARIO 888 805128    
548-420 A SARNON306MD  464D FIBERNETICS CORPORATION 888 805128    
548-428 A SARNON304MD  4727 ISP TELECOM, INC. 888 805128    
548-836 A SMBRON230MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805128    

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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