Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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El Paso, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-527 A ELPSILXDDS0  1004 CONSOLIDATED COMMUNICATIONS OF CENTRAL ILLINOIS 366      
309-564 A BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-564 1   145J TERRA NOVA TELECOM INC. 366   2025-06-06   
309-564 2   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366   2021-04-28   
309-564 4   624H ONVOY SPECTRUM, LLC 366   2024-05-08   
309-564 5   224C ONVOY, LLC 366   2024-05-08   
309-564 6   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 366   2020-02-24   
309-564 8   490J DISH WIRELESS, LLC 366   2023-11-11   
309-564 9   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366   2010-03-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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