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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Switch: LONDON14IMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
382-288 A Centralia ON 4727 ISP TELECOM, INC. 888 805131    
382-356 A Harrietsville ON 4727 ISP TELECOM, INC. 888 805131    
382-477 A Ilderton ON 4727 ISP TELECOM, INC. 888 805131    
382-595 A Kerwood ON 4727 ISP TELECOM, INC. 888 805131    
382-651 A Lambeth ON 4727 ISP TELECOM, INC. 888 805131    
519-609 A Thorndale ON 4727 ISP TELECOM, INC. 888 805131    
519-914 A London ON 4727 ISP TELECOM, INC. 888 805131    
548-478 A Ailsa Craig ON 4727 ISP TELECOM, INC. 888 805131    
548-647 A Dorchester ON 4727 ISP TELECOM, INC. 888 805131    
548-659 A Crediton ON 4727 ISP TELECOM, INC. 888 805131    
548-717 A Belmont ON 4727 ISP TELECOM, INC. 888 805131    
548-813 A Glencoe ON 4727 ISP TELECOM, INC. 888 805131    
548-858 A Exeter ON 4727 ISP TELECOM, INC. 888 805131    
548-859 A Strathroy ON 4727 ISP TELECOM, INC. 888 805131    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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