Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 403 [Rate centres in NPA 403] [Dial plan for NPA 403]

NXX: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
403-635 A Lethbridge AB LTBRAB022MD  8301 TELUS MOBILITY CELLULAR, INC. 888 808407    

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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