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
920-260 A Markesan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-260 4 Markesan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-269 5 Lomira WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-269 6 Lomira WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2016-05-07   
920-276 1 Theresa WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-08-21   
920-282 7 Cambria WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2014-12-31   
920-287 A Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-287 0 Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-289 7 Pickett WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2015-01-02   
920-297 6 Lake Mills WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-01-19   
920-300 7 Cleveland WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2024-09-24   
920-319 4 Beaver Dam WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-16   
920-319 7 Beaver Dam WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2014-10-24   
920-319 8 Beaver Dam WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-12-17   
920-332 4 Brandon WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-341 A Clyman WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-341 0 Clyman WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-341 4 Clyman WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-16   
920-349 1 Hustisford WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2007-03-19   
920-349 5 Hustisford WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-20   
920-377 3 Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2020-06-12   
920-394 7 Kingston WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2014-12-31   
920-395 1 Sheboygan WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-05-21   
920-397 3 Fort Atkinson WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-11-19   
920-409 8 Johnson Creek WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2022-05-26   
920-443 A Reedsville WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-443 1 Reedsville WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-05   
920-443 4 Reedsville WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-447 A Random Lake WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-447 1 Random Lake WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-10-23   
920-447 4 Random Lake WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-449 A Plymouth WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-449 1 Plymouth WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-16   
920-449 3 Plymouth WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2011-05-27   
920-449 4 Plymouth WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-463 5 Randolph WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2015-01-02   
920-482 2 Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-02-15   
920-482 4 Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2003-08-20   
920-482 6 Manitowoc WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2011-09-18   
920-520 7 Fox Lake WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2014-12-31   
920-522 A Chilton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-522 0 Chilton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-10   
920-522 4 Chilton WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-523 A Cascade WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-523 1 Cascade WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-10   
920-523 4 Cascade WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-524 A Brillion WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-524 1 Brillion WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2005-09-10   
920-524 4 Brillion WI 5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-526 4 Greenbush 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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