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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Forest, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-331 A FORSONXFBMD  6574 BELL CELLULAR, INC. 888 823101    
226-520 A FORSON020MD  8226 NO NORWICH TEL, LTD DBA EXECULINK TELECOM - ON 888 823101    
519-786 A FORSONXF0MD  8231 PEOPLE'S TEL LIMITED PARTNERSHIP 888 823101    
548-529 A   464D FIBERNETICS CORPORATION 888 823101    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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