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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
414-206 A   6529 T-MOBILE USA, INC. 356      
414-206 0   623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2016-08-20   
414-206 1   225C ONVOY, LLC WI 356   2016-08-29   
414-206 2   225C ONVOY, LLC WI 356   2016-03-03   
414-206 3   007F BANDWIDTH.COM CLEC, LLC - WI 356   2017-06-01   
414-206 4   623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2015-12-14   
414-206 5   225C ONVOY, LLC WI 356   2015-10-16   
414-206 6   073H TELNYX LLC 356   2017-03-14   
414-206 7   6529 T-MOBILE USA, INC. 356   2015-07-23   
414-206 8   6529 T-MOBILE USA, INC. 356   2015-07-23   
414-206 9   6529 T-MOBILE USA, INC. 356   2015-07-23   
414-214 A MILXWIILDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 0   007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-11-27   
414-214 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-214 7   7979 US XCHANGE OF WISCONSIN LLC DBA CHOICE ONE COMM WI 356   2013-10-25   
414-214 8   7979 US XCHANGE OF WISCONSIN LLC DBA CHOICE ONE COMM WI 356   2011-10-24   
414-214 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
414-228 A MILWWI23DS0  9327 AMERITECH WISCONSIN 356      
414-236 A   6664 SPRINT SPECTRUM L.P. 356      
414-236 0   6529 T-MOBILE USA, INC. 356   2007-08-31   
414-236 1   6664 SPRINT SPECTRUM L.P. 356      
414-236 2   6529 T-MOBILE USA, INC. 356   2007-11-15   
414-236 3   4087 GLOBAL CROSSING TELEMANAGEMENT, INC.-WI 356   2009-11-05   
414-236 4   369E YMAX COMMUNICATIONS CORP. - WI 356   2009-01-19   
414-236 5   516C AT&T CORP. 356   2006-07-07   
414-236 6   007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-03-12   
414-236 7   007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-11-27   
414-236 8   6529 T-MOBILE USA, INC. 356   2007-11-30   
414-236 9   6664 SPRINT SPECTRUM L.P. 356      
414-247 A MILWWI23DS0  9327 AMERITECH WISCONSIN 356      
414-348 A   965H FRACTEL, LLC 356   2020-05-02   
414-348 0   227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2020-05-03   
414-348 1   225C ONVOY, LLC WI 356   2020-09-18   
414-348 2   225C ONVOY, LLC WI 356   2020-05-17   
414-348 3   225C ONVOY, LLC WI 356   2020-05-17   
414-348 4   225C ONVOY, LLC WI 356   2020-09-18   
414-348 5   225C ONVOY, LLC WI 356   2020-09-18   
414-348 6   965H FRACTEL, LLC 356   2020-05-02   
414-348 7   225C ONVOY, LLC WI 356   2020-07-07   
414-348 8   225C ONVOY, LLC WI 356   2020-07-07   
414-348 9   225C ONVOY, LLC WI 356   2020-07-07   
414-351 A MILWWI23DS0  9327 AMERITECH WISCONSIN 356      
414-352 A MILWWI23DS0  9327 AMERITECH WISCONSIN 356      
414-353 A MILWWI28DSA  9327 AMERITECH WISCONSIN 356      
414-354 A MILWWI16DS0  9327 AMERITECH WISCONSIN 356      

1 2 3 4 5 6 >>

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.