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: RMHLON347MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
289-463 A Nobleton ON 4727 ISP TELECOM, INC. 888 805145    
289-465 A Mount Albert ON 4727 ISP TELECOM, INC. 888 805145    
289-466 A Aurora ON 4727 ISP TELECOM, INC. 888 805145    
289-467 A King City ON 4727 ISP TELECOM, INC. 888 805145    
289-468 A Maple ON 4727 ISP TELECOM, INC. 888 805145    
289-469 A Markham ON 4727 ISP TELECOM, INC. 888 805145    
289-470 A Newmarket ON 4727 ISP TELECOM, INC. 888 805145    
289-471 A Oak Ridges ON 4727 ISP TELECOM, INC. 888 805145    
289-472 A Thornhill ON 4727 ISP TELECOM, INC. 888 805145    
289-473 A Unionville ON 4727 ISP TELECOM, INC. 888 805145    
289-474 A Woodbridge ON 4727 ISP TELECOM, INC. 888 805145    
289-475 A Richmond Hill ON 4727 ISP TELECOM, INC. 888 805145    
289-487 A Bolton ON 4727 ISP TELECOM, INC. 888 805145    
289-852 A Uxbridge ON 4727 ISP TELECOM, INC. 888 805145    
365-284 A Palgrave ON 4727 ISP TELECOM, INC. 888 805145    
365-318 A Kleinburg ON 4727 ISP TELECOM, INC. 888 805145    
365-528 A Schomberg ON 4727 ISP TELECOM, INC. 888 805145    
365-823 A Bethesda ON 4727 ISP TELECOM, INC. 888 805145    
365-824 A Keswick ON 4727 ISP TELECOM, INC. 888 805145    
365-890 A Gormley ON 4727 ISP TELECOM, INC. 888 805145    
365-891 A Stouffville ON 4727 ISP TELECOM, INC. 888 805145    
365-892 A Claremont ON 4727 ISP TELECOM, INC. 888 805145    
365-893 A Sutton ON 4727 ISP TELECOM, INC. 888 805145    
365-895 A Queensville ON 4727 ISP TELECOM, INC. 888 805145    
683-707 A Pefferlaw ON 4727 ISP TELECOM, INC. 888 805145    
683-929 A Udora ON 4727 ISP TELECOM, INC. 888 805145    

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.