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: CNTRILCTRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-487 A Cantrall IL 9329 ILLINOIS BELL TEL CO 374      
217-487 7 Cantrall IL 9329 ILLINOIS BELL TEL CO 374      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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