Local Calling Guide

Area code/prefix search

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Glen Robertson, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
343-435 A CRNWON24FMD  383H INNSYSVOICE CORP - ON 888 805142    
343-671 A CRNWON240MD  464D FIBERNETICS CORPORATION 888 805142    
613-874 A GNRBON25RS0  8051 BELL ONTARIO 888 805142    
753-901 A CRNWON24EMD  4727 ISP TELECOM, INC. 888 805142    

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

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