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.

St Marys, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
226-264 A STMYON100MD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805137    
226-301 A SRFRONEF3MD  004G QUADRO COMMUNICATIONS CO-OPERATIVE INC. - ON 888 805137    
226-661 A SRFRONES0MD  743B ROGERS COMMUNICATIONS CANADA INC. 888 805137    
519-284 A STMYON10RS0  8051 BELL ONTARIO 888 805137    
548-547 A SRFRON387MD  464D FIBERNETICS CORPORATION 888 805137    

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.