Local Calling Guide

Area code/prefix search

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NPA: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-297 A De Tour MI DETRMIXGRS0  0689 BRIGHTSPEED OF UPPER MICHIGAN, INC. 342      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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