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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-643 A Horicon WI WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      
920-643 0 Horicon WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356      
920-643 1 Horicon WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-643 2 Horicon WI MILWWIHEWMD  516C AT&T CORP. 356      
920-643 3 Horicon WI MILXWIILDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 356      
920-643 4 Horicon WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
920-643 5 Horicon WI MILWWIAUXVX  698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 356      
920-643 6 Horicon WI MILWWIAUXVX  698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 356      
920-643 7 Horicon WI FDULWIGN0MD  3839 CHARTER FIBERLINK, LLC - WI 356      
920-643 8 Horicon WI MILWWIAUXVX  698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 356      
920-643 9 Horicon WI WALLWIFIDS0  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.