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: OTWAON058MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
343-224 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
343-291 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
343-292 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
343-294 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
613-288 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
613-670 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
613-688 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
613-691 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    
613-907 A Ottawa ON 8304 Zayo Canada Inc. 888 805105    

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.