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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: LTBRAB025MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
403-694 A Lethbridge AB 4727 ISP TELECOM, INC. 888 808407    
825-471 A Coaldale AB 4727 ISP TELECOM, INC. 888 808407    
825-472 A Crowsnest Pass AB 4727 ISP TELECOM, INC. 888 808407    
825-473 A Taber AB 4727 ISP TELECOM, INC. 888 808407    
825-569 A Cardston AB 4727 ISP TELECOM, INC. 888 808407    
825-571 A Claresholm AB 4727 ISP TELECOM, INC. 888 808407    
825-572 A Fort MacLeod AB 4727 ISP TELECOM, INC. 888 808407    
825-573 A Magrath AB 4727 ISP TELECOM, INC. 888 808407    
825-595 A Picture Butte AB 4727 ISP TELECOM, INC. 888 808407    
825-596 A Pincher Creek AB 4727 ISP TELECOM, INC. 888 808407    
825-597 A Raymond AB 4727 ISP TELECOM, INC. 888 808407    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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