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: CHESSCXADS0

Remotes:

Switch Switch name Switch type
GRFLSCXARS0  GREAT FALLS  RSC 
LWVLSCXARS0  LEWISVILLE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-375 A Chester SC 0516 CHESTER TELEPHONE CO. 434      
803-377 A Chester SC 0516 CHESTER TELEPHONE CO. 434      
803-379 A Chester SC 0516 CHESTER TELEPHONE CO. 434      
803-385 A Chester SC 0516 CHESTER TELEPHONE CO. 434      
803-519 A Chester SC 0516 CHESTER TELEPHONE CO. 434      
803-581 A Chester SC 0516 CHESTER TELEPHONE CO. 434      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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