Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   792K CHARTER IP ENABLED SERVICES, LLC 352      
715-812 1 Washburn WI   792K CHARTER IP ENABLED SERVICES, LLC 352   2008-04-27   
715-812 7 Washburn WI SPRRWI129MD  225C ONVOY, LLC - WI 352   2021-11-29   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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