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: LHRPILXCDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-654 A Fountain Green IL 1043 LAHARPE TEL. CO. 977      
217-659 A La Harpe IL 1043 LAHARPE TEL. CO. 977      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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