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: OTWAON058MD

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

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

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