Local Calling Guide

Area code/prefix search

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

NXX: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-493 A Drummond Island MI DRISMIXIDS1  0732 UPPER PENINSULA TEL. CO. 342      

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

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