Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 639 [Rate centres in NPA 639] [Dial plan for NPA 639]

NXX: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
639-923 A Central Butte SK CNBTSK01CM1  9868 SASKTEL 888 809104    

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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