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: CLGRABCDDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
403-351 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-444 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-536 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-537 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-538 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-539 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-648 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
403-705 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
587-443 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
587-702 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
587-952 A Calgary AB 8304 ALLSTREAM INC. 888 808401    
587-962 A Calgary AB 8304 ALLSTREAM INC. 888 808401    

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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