Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
920-394 4 Kingston WI FDULWIGN1MD  356   2008-03-15   
920-397 7 Fort Atkinson WI FDULWIGN1MD  356   2005-03-20   
920-447 8 Random Lake WI FDULWIGN1MD  356   2006-12-06   
920-453 0 Sheboygan WI FDULWIGN1MD  356   2016-04-10   
920-463 1 Randolph WI FDULWIGN1MD  356   2013-08-09   
920-464 1 Chilton WI FDULWIGN1MD  356   2007-04-15   
920-477 1 Eden WI FDULWIGN1MD  356   2006-02-24   
920-478 8 Waterloo WI FDULWIGN1MD  356   2006-03-25   
920-481 A Princeton WI HULLWI011MD  350      
920-481 0 Princeton WI HULLWI011MD  350   2007-04-16   
920-482 8 Manitowoc WI FDULWIGN1MD  356   2007-05-11   
920-484 5 Fall River WI FDULWIGN1MD  356   2018-05-14   
920-487 8 Algoma WI HULLWI011MD  350   2007-05-11   
920-519 A Black Creek WI HULLWI011MD  350      
920-519 0 Black Creek WI HULLWI011MD  350   2007-05-28   
920-520 A Fox Lake WI FDULWIGN1MD  356      
920-520 0 Fox Lake WI FDULWIGN1MD  356   2007-06-23   
920-524 2 Brillion WI FDULWIGN1MD  356   2007-04-15   
920-525 5 Nichols WI HULLWI011MD  350   2024-04-07   
920-533 6 Campbellsport WI FDULWIGN1MD  356   2006-02-24   
920-541 3 Jefferson WI FDULWIGN1MD  356   2006-02-11   
920-542 1 Fort Atkinson WI FDULWIGN1MD  356   2013-03-22   
920-550 2 Sheboygan Falls WI FDULWIGN1MD  356   2007-03-05   
920-551 1 Fremont WI HULLWI011MD  350   2024-09-15   
920-566 1 Redgranite WI HULLWI011MD  350   2013-05-02   
920-583 7 Oakfield WI FDULWIGN1MD  356   2006-02-24   
920-596 0 Manawa WI HULLWI011MD  350   2018-10-08   
920-605 2 Jefferson WI FDULWIGN1MD  356   2020-10-25   
920-624 1 St Cloud WI FDULWIGN1MD  356   2006-02-24   
920-625 6 Neosho WI FDULWIGN1MD  356   2007-03-05   
920-626 1 Columbus WI FDULWIGN1MD  356   2018-08-26   
920-633 4 Sister Bay WI HULLWI011MD  350   2018-05-16   
920-643 7 Horicon WI FDULWIGN1MD  356   2007-05-11   
920-644 2 Mayville WI FDULWIGN1MD  356   2007-04-16   
920-644 8 Mayville WI FDULWIGN1MD  356   2015-12-16   
920-654 2 Mishicot WI FDULWIGN1MD  356   2007-05-11   
920-657 1 Two Rivers WI FDULWIGN1MD  356   2007-05-11   
920-657 2 Two Rivers WI FDULWIGN1MD  356   2012-07-13   
920-670 A Johnsburg WI FDULWIGN1MD  356      
920-670 0 Johnsburg WI FDULWIGN1MD  356   2006-07-22   
920-688 9 Van Dyne WI HULLWI011MD  350   2006-07-19   
920-689 1 Burnett WI FDULWIGN1MD  356   2009-02-26   
920-695 4 Sturgeon Bay WI HULLWI011MD  350   2022-09-03   
920-697 5 Tisch Mills WI FDULWIGN1MD  356   2010-01-22   
920-699 9 Johnson Creek WI FDULWIGN1MD  356   2008-04-26   
920-706 0 Winneconne WI HULLWI011MD  350   2007-04-16   
920-741 A Brussels WI HULLWI011MD  350      
920-741 1 Brussels WI HULLWI011MD  350   2008-04-12   
920-753 1 Mount Calvary WI FDULWIGN1MD  356   2006-02-24   
920-767 A Markesan WI FDULWIGN1MD  356      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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