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: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-663 A Manitowoc WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-663 0 Manitowoc WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-663 1 Manitowoc WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
920-663 2 Manitowoc WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-12   
920-663 3 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-10   
920-663 4 Manitowoc WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-10   
920-663 5 Manitowoc WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
920-663 6 Manitowoc WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2013-11-30   
920-663 7 Manitowoc WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2015-01-26   
920-663 8 Manitowoc WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2015-04-12   
920-663 9 Manitowoc WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.