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: CBRGON72DS0

Remotes:

Switch Switch name Switch type
CLBNON71RSA  COLBORNE  RSC 
CLSPON70RS0  COLD SPRINGS  RSC 
CSTNON73RS0  CASTLETON  RSC 
GFTNON68RS0  GRAFTON  RSC 
GRHLON69RS0  GARDEN HILL  RSC 
PTHPON61RSA  PORT HOPE  RSC 
RSNTON22RS0  ROSENEATH  RSC 
WLCMON91RS0  WELCOME  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
905-372 A Cobourg ON 8051 BELL ONTARIO 888 805134    
905-373 A Cobourg ON 8051 BELL ONTARIO 888 805134    
905-375 A Cobourg ON 8051 BELL ONTARIO 888 805134    
905-377 A Cobourg ON 8051 BELL ONTARIO 888 805134    

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.