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: CRTHILXCDS0

Remotes:

Switch Switch name Switch type
BASCILXCRS0  BASCO  DC1 
BOWNILXCRS0  BOWEN  DC1 
DLCYILXCRS0  DALLAS CITY  DC1 
ELTNILXCRS0  ELVASTON  DC1 
FRRSILXCRS0  FERRIS  DC1 
NAUVILXCRS0  NAUVOO  DC1 
NIOTILXCRS0  NIOTA  DC1 
STTRILXCRS0  SUTTER  DC1 
WRSWILXCRS0  WARSAW  DC1 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-357 A Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-357 0 Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-357 2 Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-357 3 Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-357 6 Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-357 8 Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-357 9 Carthage IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      

Last updated: Sun, 17 Oct 2021 19:41:42 UTC

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