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: LONDON16DS0

Remotes:

Switch Switch name Switch type
IRTNON12RS0  ILDERTON  RSC 
KRWDON01RS0  KERWOOD  RSC 
STRYON20RS1  STRATHROY  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
519-471 A London ON 8051 BELL ONTARIO 888 805131    
519-472 A London ON 8051 BELL ONTARIO 888 805131    
519-473 A London ON 8051 BELL ONTARIO 888 805131    
519-474 A London ON 8051 BELL ONTARIO 888 805131    
519-641 A London ON 8051 BELL ONTARIO 888 805131    
519-657 A London ON 8051 BELL ONTARIO 888 805131    

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

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