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: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 781

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-781 A Elkhart Lake WI MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356      
920-781 0 Elkhart Lake WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2008-11-22   
920-781 1 Elkhart Lake WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-07-07   
920-781 2 Elkhart Lake WI MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2010-12-03   
920-781 3 Elkhart Lake WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-07-07   
920-781 4 Elkhart Lake WI PLMOWIXAEMD  624H ONVOY SPECTRUM, LLC 356   2021-06-25   
920-781 5 Elkhart Lake WI MILWWI12XFX  623D TIME WARNER CABLE INFORMATION SVCS (WISCONSIN) WI 356   2006-12-06   
920-781 6 Elkhart Lake WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2021-04-08   
920-781 7 Elkhart Lake WI MILWWI45XBX  508J CENTURYLINK COMMUNICATIONS, LLC 356   2015-01-02   
920-781 8 Elkhart Lake WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2020-04-19   
920-781 9 Elkhart Lake WI MILWWI13XWX  506J TWILIO INTERNATIONAL, INC. 356   2021-06-28   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.