Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chalk River, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
343-223 A CKRVON383MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805140    
343-623 A PMBRONANDS0  3147 EXATEL, INC. 888 805140    
613-589 A CKRVON38RS0  8051 BELL ONTARIO 888 805140    

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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