Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Smooth Rock Falls, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
249-545 A TMNSON01DS0  3147 EXATEL, INC. 888 822801    
705-314 A SRFLONXT0MD  6574 BELL CELLULAR, INC. 888 822801    
705-338 A SRFLONXTRS0  8228 NORTHERNTEL LIMITED PARTNERSHIP 888 822801    

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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