Local Calling Guide

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Dundas, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-754 A DNDSILXERS0  1036 FRONTIER NORTH, INC. - IL 978      
618-754 0 OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2016-04-05   
618-754 1 OLNYILXEGMD  224C ONVOY, LLC 978   2020-03-13   
618-754 3 DNDSILXERS0  1036 FRONTIER NORTH, INC. - IL 978      
618-754 4 OLNYILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 978   2017-09-14   
618-754 5 OLNYILXEGMD  224C ONVOY, LLC 978   2021-07-22   
618-754 7 OLNYILXEGMD  224C ONVOY, LLC 978   2021-02-26   
618-754 8 OLNYILXEX2X  624H ONVOY SPECTRUM, LLC 978   2023-07-29   
618-754 9 OLNYILXEEMD  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 978   2003-06-04   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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