Local Calling Guide

Area code/prefix search

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

NXX: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
715-837 A Dallas WI CMRNWIXADS1  0861 CHIBARDUN TEL. COOP., INC. 352      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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