Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Holstein, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
519-334 A HOLSONPMRS0  8051 BELL ONTARIO 888 805117    
548-271 A OGVLON233MD  464D FIBERNETICS CORPORATION 888 805117    

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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