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: STTMON28DS0

Remotes:

Switch Switch name Switch type
DTTNON22RS0  DUTTON  RSC 
FNGLON23RS0  FINGAL  RSC 
PTSTON27RS0  PORT STANLEY  RSC 
RDNYON46RS0  RODNEY  RSC 
SHDNON34RS0  SHEDDEN  RSC 
SPRTON19RS0  SPARTA  RSC 
WLRNON01RSA  WEST LORNE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
519-631 A St Thomas ON 8051 BELL ONTARIO 888 805119    
519-633 A St Thomas ON 8051 BELL ONTARIO 888 805119    
519-637 A St Thomas ON 8051 BELL ONTARIO 888 805119    

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

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