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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Dublin, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-302 A SRFRONEF3MD  004G QUADRO COMMUNICATIONS CO-OPERATIVE INC. - ON 888 805137    
519-345 A DBLNON01RS0  8051 BELL ONTARIO 888 805137    

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

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