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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
519-327 A Clifford ON CLFRONXWDS0  888 824502    
519-335 A Gorrie ON GORIONXARS0  888 824501    
519-367 A Mildmay ON MLDMONXSRS0  888 824501    
519-392 A Teeswater ON TWTRONXSRS0  888 824501    
519-665 A Ayton ON AYTNONXWRS0  888 824502    
519-799 A Neustadt ON NSTTONXWRS0  888 824502    

Last updated: Mon, 24 May 2021 01:28:43 UTC

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