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: KMTNILXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-253 A Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      
815-253 0 Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      
815-253 1 Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      
815-253 6 Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      
815-253 7 Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      
815-253 8 Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      
815-253 9 Kempton IL 1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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