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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Switch: TSRVPQ328MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
819-489 A Trois-Rivières QC 4727 ISP TELECOM, INC. 888 805020    
873-891 A Louiseville QC 4727 ISP TELECOM, INC. 888 805020    

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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