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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
220-267 1 Chillicothe OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2024-11-28   
740-542 A Chillicothe OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-542 9 Chillicothe OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2009-05-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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