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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Ashland, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-476 A VRGNILXCDS1  0984 CASS TELEPHONE COMPANY 374      
447-248 A SPFDILESX8Y  490J DISH WIRELESS, LLC 374      
447-248 9 SPFDILESX8Y  490J DISH WIRELESS, LLC 374   2023-04-21   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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