Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 287H ROXBOROUGH TELEPHONE COMPANY LIMITED - ON

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
343-288 A Cornwall ON CRNWON24BMD  888 805142    

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: ISP Telecom

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