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: HWKNWIXA2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-239 9 Cornell WI 129J NTERA, LLC - WI 352   2020-08-16   
715-404 2 Jim Falls WI 129J NTERA, LLC - WI 352   2020-08-16   
715-452 9 Sheldon WI 129J NTERA, LLC - WI 352   2019-12-06   
715-517 A Holcombe WI 129J NTERA, LLC - WI 352      
715-517 1 Holcombe WI 129J NTERA, LLC - WI 352   2019-01-06   
715-609 4 Ladysmith WI 129J NTERA, LLC - WI 352   2019-12-06   
715-667 7 Boyd WI 129J NTERA, LLC - WI 352   2021-12-19   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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