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: 715 [Rate centres in NPA 715] [Dial plan for NPA 715]

NXX: 812

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-812 A Washburn WI UNECWIACGT0  3839 CHARTER FIBERLINK, LLC - WI 352      
715-812 1 Washburn WI UNECWIACGT0  3839 CHARTER FIBERLINK, LLC - WI 352   2008-04-27   
715-812 7 Washburn WI SPRRWI129MD  225C ONVOY, LLC - WI 352   2021-11-29   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.