Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 343 [Rate centres in NPA 343] [Dial plan for NPA 343]

NXX: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
343-479 A Gananoque ON KGTNON08X0X  4727 ISP TELECOM, INC. 888 805121    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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