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: CRNWON24EMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
343-473 A Vankleek Hill ON 4727 ISP TELECOM, INC. 888 805142    
343-474 A Alexandria ON 4727 ISP TELECOM, INC. 888 805142    
343-475 A Cornwall ON 4727 ISP TELECOM, INC. 888 805142    
343-481 A Iroquois ON 4727 ISP TELECOM, INC. 888 805142    
343-482 A Williamsburg ON 4727 ISP TELECOM, INC. 888 805142    
343-483 A Morrisburg ON 4727 ISP TELECOM, INC. 888 805142    
343-506 A Lancaster ON 4727 ISP TELECOM, INC. 888 805142    
753-207 A St Isidore de Prescott ON 4727 ISP TELECOM, INC. 888 805142    
753-339 A Ingleside ON 4727 ISP TELECOM, INC. 888 805142    
753-478 A Avonmore ON 4727 ISP TELECOM, INC. 888 805142    
753-563 A Saint-Régis QC 4727 ISP TELECOM, INC. 888 805142    
753-669 A Finch ON 4727 ISP TELECOM, INC. 888 805142    
753-689 A Martintown ON 4727 ISP TELECOM, INC. 888 805142    
753-762 A L'Orignal ON 4727 ISP TELECOM, INC. 888 805142    
753-801 A Maxville ON 4727 ISP TELECOM, INC. 888 805142    
753-855 A Long Sault ON 4727 ISP TELECOM, INC. 888 805142    
753-901 A Glen Robertson ON 4727 ISP TELECOM, INC. 888 805142    
753-922 A St Eugene ON 4727 ISP TELECOM, INC. 888 805142    

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

Sponsored by: ISP Telecom

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