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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Sainte-Hénédine, QC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
418-504 A STMRPQ020MD  8306 VIDEOTRON LTD. 888 808310    
418-935 A SHDNPQXQRS1  8083 TELUS COMMUNICATIONS (QUEBEC) INC. - QC 888 808310    
581-423 A STMBPQXQ9MD  247F TELECOMMUNICATIONS XITTEL INC. - QC 888 808310    
581-693 A STMBPQXQBMD  984C BELL CANADA - QC 888 808310    

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

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