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: ELBNILEURS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-365 A Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 0 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 1 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 2 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 3 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 4 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 5 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 6 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 8 Elburn IL 9329 ILLINOIS BELL TEL CO 358      
630-365 9 Elburn IL 9329 ILLINOIS BELL TEL CO 358      

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

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