Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-583 A Oakfield WI OKFDWIXADS0  0886 FRONTIER NORTH INC. - WI 356      
920-583 0 Oakfield WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2015-07-06   
920-583 1 Oakfield WI OKFDWIXADS0  0886 FRONTIER NORTH INC. - WI 356      
920-583 2 Oakfield WI OKFDWIXADS0  0886 FRONTIER NORTH INC. - WI 356      
920-583 3 Oakfield WI OKFDWIXADS0  0886 FRONTIER NORTH INC. - WI 356      
920-583 4 Oakfield WI OKFDWIXADS0  0886 FRONTIER NORTH INC. - WI 356      
920-583 5 Oakfield WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2014-04-25   
920-583 6 Oakfield WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2008-02-08   
920-583 7 Oakfield WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2006-02-24   
920-583 8 Oakfield WI MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2015-01-05   
920-583 9 Oakfield WI MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356   2016-08-31   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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