Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Milwaukee Zone 4, WI

<< 1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
414-446 1 PEWTWICI1MD  6529 T-MOBILE USA, INC. 356   2008-02-20   
414-446 2 MILWWI13X4X  369E YMAX COMMUNICATIONS CORP. - WI 356   2009-01-19   
414-446 3 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-11-23   
414-446 4 MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2004-03-01   
414-446 5 MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2005-06-14   
414-446 6 MILWWIAU00Z  145J TERRA NOVA TELECOM INC. 356   2023-08-10   
414-446 7 MILWWI13X4X  369E YMAX COMMUNICATIONS CORP. - WI 356   2009-01-19   
414-446 8 MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2007-09-26   
414-446 9 MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2006-09-19   
414-540 A MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 0 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 1 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 2 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 3 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 4 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 5 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 6 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-540 7 MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-06   
414-540 8 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-08-08   
414-540 9 MILWWI23DS0  9327 WISCONSIN BELL INC 356      
414-577 A MILWWI38RS1  9327 WISCONSIN BELL INC 356      
414-586 A MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 0 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 1 MILXWI142MD  553B WINDSTREAM NORLIGHT, INC. - WI 356   2008-08-17   
414-586 2 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 3 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 4 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 5 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 6 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 7 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 8 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-586 9 MILWWI16DS0  9327 WISCONSIN BELL INC 356      
414-600 A MILWWIAUDS1  225C ONVOY, LLC - WI 356      
414-600 0 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2012-12-10   
414-600 1 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
414-600 2 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
414-600 3 PEWTWICI1MD  6529 T-MOBILE USA, INC. 356   2013-05-18   
414-600 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2012-12-10   
414-600 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2012-12-10   
414-600 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2012-12-10   
414-600 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2012-12-10   
414-600 8 NWBLWICYDS0  7804 TDS METROCOM, INC. - WI 356   2013-10-31   
414-600 9 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2013-09-14   
414-622 A MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356      
414-622 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-16   
414-622 1 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2015-05-22   
414-622 2 BRFDWIJZDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2015-04-17   
414-622 3 BRFDWIJZDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2015-04-17   
414-622 4 BRFDWIJZDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2015-04-17   
414-622 5 BRFDWIJZDS0  7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI 356   2015-04-17   

<< 1 2 3 4 5 6 7 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.