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: CHTNILXCDS0

Remotes:

Switch Switch name Switch type
ASMRILXCRS0  ASHMORE  RSC 
OKLDILXCRS0  OAKLAND  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-345 A Charleston IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-348 A Charleston IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-581 A Charleston IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-639 A Charleston IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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