Local Calling Guide

Area code/prefix search

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Switch: DETRMIXGRS0

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

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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