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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-320 A Brantwood WI   792K CHARTER IP ENABLED SERVICES, LLC 350      
715-320 0 Brantwood WI   145J TERRA NOVA TELECOM INC. 350   2025-07-12   
715-320 1 Brantwood WI   792K CHARTER IP ENABLED SERVICES, LLC 350   2024-01-28   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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