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.

NPA: 414 [Rate centres in NPA 414] [Dial plan for NPA 414]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-928 A Milwaukee Zone 4 WI   6529 T-MOBILE USA, INC. 356      
414-928 0 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2017-09-28   
414-928 1 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2018-10-19   
414-928 2 Milwaukee Zone 4 WI   225C ONVOY, LLC WI 356   2018-06-08   
414-928 3 Milwaukee Zone 4 WI   623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2019-01-20   
414-928 4 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-03-11   
414-928 5 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-03-11   
414-928 6 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2019-03-11   
414-928 7 Milwaukee Zone 4 WI   225C ONVOY, LLC WI 356   2016-10-14   
414-928 8 Milwaukee Zone 4 WI   227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2018-10-27   
414-928 9 Milwaukee Zone 4 WI   6529 T-MOBILE USA, INC. 356   2015-07-12   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.