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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OCN: 1024 HAMILTON COUNTY TELEPHONE CO-OP

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
618-647 A Broughton IL DHLGILXEDS0  978      
618-648 A Belle Prairie IL DHLGILXEDS0  978      
618-728 A Macedonia IL DHLGILXEDS0  978      
618-736 A Dahlgren IL DHLGILXEDS0  978      
618-756 A Belle Rive IL DHLGILXEDS0  978      
618-757 A Blairsville (Hamilton) IL DHLGILXEDS0  978      
618-773 A Dale IL DHLGILXEDS0  978      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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