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.

Clinton, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-600 A   225C ONVOY, LLC WI 354   2019-07-09   
608-600 0   225C ONVOY, LLC WI 354   2019-07-09   
608-600 6   225C ONVOY, LLC WI 354   2019-07-09   
608-600 7   7216 TELEPORT COMMUNICATIONS AMERICA, LLC - WI 354   2020-01-20   
608-676 A CLTNWIXADS0  0886 FRONTIER NORTH INC. - WI 354      
608-676 0   007F BANDWIDTH.COM CLEC, LLC - WI 354   2011-10-01   
608-676 2   0886 FRONTIER NORTH INC. - WI 354      
608-676 3   7421 AT&T LOCAL 354   2006-12-04   
608-676 4   0886 FRONTIER NORTH INC. - WI 354      
608-676 5   0886 FRONTIER NORTH INC. - WI 354      
608-676 6   3839 CHARTER FIBERLINK - WI 354   2004-11-26   
608-676 7   007F BANDWIDTH.COM CLEC, LLC - WI 354   2014-06-28   
608-676 8   225C ONVOY, LLC WI 354   2018-08-18   
608-676 9   7575 CENTURYLINK COMMUNICATIONS LLC 354   2014-12-26   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.