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: UNECWIAC0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-568 7 Bloomer WI 3839 CHARTER FIBERLINK, LLC - WI 352   2018-06-18   
715-669 6 Thorp WI 3839 CHARTER FIBERLINK, LLC - WI 352   2017-05-05   
715-670 A Black River Falls WI 3839 CHARTER FIBERLINK, LLC - WI 352      
715-670 0 Black River Falls WI 3839 CHARTER FIBERLINK, LLC - WI 352   2006-02-03   
715-670 1 Black River Falls WI 3839 CHARTER FIBERLINK, LLC - WI 352   2017-07-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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