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: SDBRON98DMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
249-512 A Azilda ON 4727 ISP TELECOM, INC. 888 805102    
249-513 A Garson ON 4727 ISP TELECOM, INC. 888 805102    
249-514 A Hanmer ON 4727 ISP TELECOM, INC. 888 805102    
249-536 A Chelmsford ON 4727 ISP TELECOM, INC. 888 805102    
249-897 A Chapleau ON 4727 ISP TELECOM, INC. 888 805102    
249-898 A Spanish ON 4727 ISP TELECOM, INC. 888 805102    
683-202 A Biscotasing ON 4727 ISP TELECOM, INC. 888 805102    
683-318 A Cartier ON 4727 ISP TELECOM, INC. 888 805102    
683-425 A Coniston ON 4727 ISP TELECOM, INC. 888 805102    
683-488 A Alban ON 4727 ISP TELECOM, INC. 888 805102    
683-629 A Dubreuilville ON 4727 ISP TELECOM, INC. 888 805102    
683-757 A Capreol ON 4727 ISP TELECOM, INC. 888 805102    
683-832 A Killarney ON 4727 ISP TELECOM, INC. 888 805102    
683-995 A Massey ON 4727 ISP TELECOM, INC. 888 805102    
705-479 A Sudbury ON 4727 ISP TELECOM, INC. 888 805102    
705-480 A Espanola ON 4727 ISP TELECOM, INC. 888 805102    
705-483 A Lively ON 4727 ISP TELECOM, INC. 888 805102    
705-485 A Blezard Valley ON 4727 ISP TELECOM, INC. 888 805102    

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

Sponsored by: ISP Telecom

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