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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Switch: CLGRAB513MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
403-452 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
403-457 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
403-460 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
403-474 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
403-719 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
587-350 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
587-354 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
587-356 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    
587-358 A Calgary AB 497E SHAW TELECOM INC. - BC 888 808401    

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

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