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.

Luxemburg, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
274-206 A APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2025-03-08   
274-206 9 APPLWI01XEX  6529 T-MOBILE USA, INC. 350   2025-03-08   
920-536 A GNBYWI01X7Y  6692 NEW CELL DBA CELLCOM 350      
920-536 0 GNBYWI01X7Y  6692 NEW CELL DBA CELLCOM 350      
920-536 1 GNBYWI01X7Y  6692 NEW CELL DBA CELLCOM 350      
920-536 2 GNBYWI01X7Y  6692 NEW CELL DBA CELLCOM 350      
920-536 3 MNSHWIDQCM0  6274 UNITED STATES CELLULAR - WI 350   2008-09-04   
920-536 4 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2020-07-11   
920-536 5 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2020-07-11   
920-536 6 MRNTWI24DS0  766H INTEGRATED PATH COMMUNICATIONS, LLC - WI 350   2018-07-12   
920-536 7 GNBYWIEL1MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 350   2014-11-25   
920-536 8 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-01-28   
920-536 9 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2018-10-25   
920-845 A LXBGWIXARS0  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 350      
920-845 0 APPLWI01X9X  007F BANDWIDTH.COM CLEC, LLC - WI 350   2024-10-17   
920-845 1 LXBGWIXARS0  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 350      
920-845 2 LXBGWIXARS0  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 350      
920-845 3 GNBYWI01XUX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 350   2016-07-11   
920-845 4 STPTWI01HMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 350   2016-02-04   
920-845 5 LXBGWIXARS0  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 350      
920-845 6 GNBYWI01VMD  225C ONVOY, LLC - WI 350   2021-03-29   
920-845 7   145J TERRA NOVA TELECOM INC. 350   2025-07-17   
920-845 8 GNBYWI01XHX  624H ONVOY SPECTRUM, LLC 350   2021-06-21   
920-845 9 LXBGWIXARS0  1159 BRIGHTSPEED OF CENTRAL WISCONSIN, LLC 350      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.