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.

Switch: FDULWIGN0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
262-216 A Hartford WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-350 A Columbus WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-520 A Fox Lake WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-670 A Johnsburg WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-767 A Markesan WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-852 A Rosendale WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-935 A Pickett WI 3839 CHARTER FIBERLINK, LLC - WI 356      
920-945 A Lake Mills WI 3839 CHARTER FIBERLINK, LLC - WI 356      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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