Local Calling Guide

Area code/prefix search

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

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-617 A Sebewaing MI SGNWMIACLMD  4632 TELNET WORLDWIDE, INC. 344      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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