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.

Waupun, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
920-239 A MILXWI142MD  7767 OVATION COMMUNICATIONS OF WISCONSIN, INC. 356      
920-239 0 MILXWI142MD  7767 OVATION COMMUNICATIONS OF WISCONSIN, INC. 356      
920-239 1 MILWWIHEWMD  516C AT&T CORP. 356   2011-06-17   
920-239 2 MILXWI142MD  7767 OVATION COMMUNICATIONS OF WISCONSIN, INC. 356      
920-239 3 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2006-01-05   
920-239 4 MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2004-07-02   
920-239 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2015-05-17   
920-239 6 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-13   
920-239 7 MILXWI142MD  7767 OVATION COMMUNICATIONS OF WISCONSIN, INC. 356      
920-239 8 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
920-239 9 MILXWI142MD  7767 OVATION COMMUNICATIONS OF WISCONSIN, INC. 356      
920-302 A MILWWI12ZMD  6274 UNITED STATES CELLULAR - WI 356      
920-307 A MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-307 0 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-11-15   
920-307 1 MILWWIAUXAY  197D VONAGE AMERICA LLC 356   2022-07-10   
920-307 2 MILWWIAU03Z  516J TON80 COMMUNICATIONS, LLC 356   2021-10-30   
920-307 3 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-08-23   
920-307 4 MILWWI13XWX  506J TWILIO INTERNATIONAL, INC. 356   2021-11-15   
920-307 5 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-12-05   
920-307 6 MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-12-05   
920-307 7 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-08-22   
920-307 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-08-22   
920-307 9 MILWWIAU11Z  490J DISH WIRELESS, LLC 356   2023-05-06   
920-324 A WAPNWI11RS0  9327 WISCONSIN BELL INC 356      
920-325 A MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356      
920-325 0 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2016-08-25   
920-325 1 MILWWIAUX6Y  073H TELNYX LLC 356   2017-08-03   
920-325 2 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2018-09-02   
920-325 3 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-03-22   
920-325 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-03-22   
920-325 5 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-07-07   
920-325 6 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-07-07   
920-325 7 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2020-11-21   
920-325 8 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
920-325 9 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2019-04-04   
920-345 A MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-345 0 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-01   
920-345 1 FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356   2007-05-11   
920-345 2 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2010-03-04   
920-345 3 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-345 4 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-04-01   
920-345 5 MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-345 6 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-345 7 MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2014-06-20   
920-345 8 MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2014-12-31   
920-345 9 MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-879 A MILWWIAUDS1  225C ONVOY, LLC - WI 356      
920-879 2 MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-09-10   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.