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: ATHNILANRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-636 A Athens IL 9329 ILLINOIS BELL TEL CO 374      
217-636 7 Athens IL 9329 ILLINOIS BELL TEL CO 374      
217-636 8 Athens IL 9329 ILLINOIS BELL TEL CO 374      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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