Local Calling Guide

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Cascade, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-523 A MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-523 1 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-10   
920-523 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-523 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-523 4 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-523 6   793K TWC IP ENABLED SERVICES, LLC 356   2007-03-27   
920-523 7 MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2015-01-02   
920-523 8 PLMOWIXAEMD  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-523 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-528 A CSCDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-528 1 CSCDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-528 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-04-19   
920-528 7 CSCDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-528 8 CSCDWIXARS0  0886 FRONTIER NORTH INC. - WI 356      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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