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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Carbon, AB

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
403-572 A CRBNAB01RS0  8084 TELUS COMMUNICATIONS, INC. 888 808412    
825-620 A RDDRAB016MD  081E DISTRIBUTEL COMMUNICATIONS LIMITED 888 808412    

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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