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.
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Switch: STTRILXCRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-658 A Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-658 0 Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-658 1 Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-658 3 Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-658 4 Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-658 8 Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
217-658 9 Sutter IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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