Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cullom, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
815-647 A BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
815-647 0 BLTNILXDXMX  224C ONVOY, LLC 366      
815-647 1 BLTNILXDXMX  224C ONVOY, LLC 366      
815-647 2 BLTNILTSYMD  495J STRATUS NETWORKS 366      
815-647 4 BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366      
815-647 6 BLTNILXDXMX  224C ONVOY, LLC 366      
815-647 7 BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366      
815-647 8 BLTNILXDX1Y  073H TELNYX LLC 366      
815-647 9 BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
815-689 A CLLMILXADS0  1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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