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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-637 A Barron WI BRRNWIAKRS0  7998 CTC TELCOM, INC. 352      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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