Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Teslin, YT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
867-384 A TSLNYTXN0MD  6574 BELL CELLULAR, INC. 888 809203    
867-390 A TSLNYTXNRS1  8092 NORTHWESTEL 888 809203    

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

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