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.

Deseronto, ON

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
343-265 A KGTNON08X2X  160G COMWAVE NETWORKS INC. - ON 888 805121    
343-287 A KGTNON08XMD  082E DISTRIBUTEL COMMUNICATIONS LIMITED - ON 888 805121    
343-510 A   221K COGECO CONNEXION INC. 888 805121    
343-582 A KGTNON08UMD  464D FIBERNETICS CORPORATION 888 805121    
343-822 A KGTNON08X7X  383H INNSYSVOICE CORP - ON 888 805121    
613-309 A DSRNON03AMD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805121    
613-396 A CLBAON02DS0  8051 BELL ONTARIO 888 805121    
613-428 A DSRNON030MD  383F FREEDOM MOBILE INC. 888 805121    
753-758 A KGTNON08UMD  464D FIBERNETICS CORPORATION 888 805121    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.