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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Fort Resolution, NT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
867-376 A FTRNNTXNAMD  6574 BELL CELLULAR, INC. 888      
867-394 A FTRNNTXN9MD  8092 NORTHWESTEL 888      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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