Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 450 [Rate centres in NPA 450] [Dial plan for NPA 450]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
450-423 A Saint-Jude QC STAQPQXT1MD  247F TELECOMMUNICATIONS XITTEL INC. - QC 888 823908    

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

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