Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MILWWIDK6MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-526 5 Greenbush WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-11-12   
920-541 2 Jefferson WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-11-12   
920-541 4 Jefferson WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-542 4 Fort Atkinson WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-543 4 Burnett WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-543 7 Burnett WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2011-04-15   
920-545 A Watertown WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-545 0 Watertown WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-16   
920-545 4 Watertown WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-547 A Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-547 4 Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-550 A Sheboygan Falls WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-550 4 Sheboygan Falls WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-06-24   
920-552 A Oostburg WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-552 0 Oostburg WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-552 4 Oostburg WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-565 9 Howards Grove WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2022-12-12   
920-581 4 Fond du Lac WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-01-05   
920-587 A Oostburg WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-587 4 Oostburg WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-607 4 Campbellsport WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2022-03-28   
920-614 7 Rio WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2015-01-02   
920-624 A St Cloud WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-624 4 St Cloud WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-624 6 St Cloud WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2012-01-28   
920-625 0 Neosho WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-27   
920-626 4 Columbus WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-626 6 Columbus WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2007-04-19   
920-643 1 Horicon WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-02-01   
920-643 4 Horicon WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-644 0 Mayville WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-14   
920-644 4 Mayville WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-645 A Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-645 0 Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-645 2 Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2011-01-03   
920-653 A Mapleton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-653 0 Mapleton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-04-24   
920-653 4 Mapleton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-654 A Mishicot WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-654 1 Mishicot WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-05   
920-654 4 Mishicot WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-656 A Neosho WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-656 4 Neosho WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-657 A Two Rivers WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-657 0 Two Rivers WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-05   
920-657 4 Two Rivers WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-663 6 Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2013-11-30   
920-668 9 Cedar Grove WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2021-07-22   
920-694 5 Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-01-10   
920-753 8 Mount Calvary WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-20   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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