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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Augusta, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-392 A GLDNILXCDS0  0976 ADAMS TEL. COOP. 376      
447-238 A JCVLILXCX1X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 376      
447-238 0 JCVLILXCX1X  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 376   2023-03-20   
447-238 9 JCVLILAAXMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 376      

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

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