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: OSHWON95XIX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
289-869 A Oshawa ON 160G COMWAVE NETWORKS INC. - ON 888 805118    
289-912 A Port Perry ON 160G COMWAVE NETWORKS INC. - ON 888 805118    
289-913 A Ajax-Pickering ON 160G COMWAVE NETWORKS INC. - ON 888 805118    
289-915 A South Pickering ON 160G COMWAVE NETWORKS INC. - ON 888 805118    
289-964 A Newtonville ON 160G COMWAVE NETWORKS INC. - ON 888 805118    

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

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