Local Calling Guide

Area code/prefix search

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

NXX: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-977 A Sebewaing MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-977 0 Sebewaing MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-977 1 Sebewaing MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2007-09-13   
989-977 3 Sebewaing MI SGNWMIACCMD  145J TERRA NOVA TELECOM INC. 344   2024-08-12   
989-977 9 Sebewaing MI SGNWMIATUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2012-04-14   

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

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