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: KTNRONGODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
226-772 A Kitchener-Waterloo ON 8304 ALLSTREAM INC. 888 805143    
519-340 A Kitchener-Waterloo ON 8304 ALLSTREAM INC. 888 805143    
519-772 A Kitchener-Waterloo ON 8304 ALLSTREAM INC. 888 805143    

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.