Local Calling Guide

Area code/prefix search

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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-564 A Oostburg WI OSBGWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-564 0 Oostburg WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-564 2 Oostburg WI OSBGWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-564 3 Oostburg WI OSBGWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-564 4 Oostburg WI OSBGWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-564 5 Oostburg WI   793K TWC IP ENABLED SERVICES, LLC 356   2005-10-21   
920-564 6 Oostburg WI OSBGWIXARS0  0886 FRONTIER NORTH INC. - WI 356      
920-564 7 Oostburg WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2022-11-24   
920-564 8 Oostburg WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-07-09   
920-564 9 Oostburg WI PLMOWIXAHMD  225C ONVOY, LLC - WI 356   2023-09-15   

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

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