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: EBCKONBTDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
416-572 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
416-645 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
416-649 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
416-764 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
437-826 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
437-828 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
437-836 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
647-775 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
647-776 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
647-777 A Toronto ON 8304 Zayo Canada Inc. 888 805106    
647-943 A Toronto ON 8304 Zayo Canada Inc. 888 805106    

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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