Local Calling Guide

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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 463

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-463 A Alma MI ALMAMIXGDS0  0695 FRONTIER NORTH, INC. - MI 344      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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