Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-378 A DWNSILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-378 0 BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-378 1 DWNSILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-378 2 DWNSILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-378 3 DWNSILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-378 4 DWNSILXDRS0  1015 FRONTIER NORTH, INC. - IL 366      
309-378 5 BLTNILTS7MD  145J TERRA NOVA TELECOM INC. 366      
309-378 6 BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366      
309-378 8 BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
309-378 9 BLTNILTSYMD  495J STRATUS NETWORKS 366      
309-487 A BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-487 1 BLTNILXDX1Y  073H TELNYX LLC 366      
309-487 2 BLTNILXDXMX  224C ONVOY, LLC 366      
309-487 3 BLTNILXDXMX  224C ONVOY, LLC 366      
309-487 4 BLTNILXDXMX  224C ONVOY, LLC 366      
309-487 5   145J TERRA NOVA TELECOM INC. 366      
309-487 6 BLTNILXDXMX  224C ONVOY, LLC 366      
309-487 7 BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366      
309-487 8 BLTNILXDXMX  224C ONVOY, LLC 366      
309-487 9 BLTNILXDXMX  224C ONVOY, LLC 366      

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

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