Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-353 A Chester MI OWTPMI022MD  792K CHARTER IP ENABLED SERVICES, LLC 344      
989-353 0 Chester MI OWTPMI022MD  792K CHARTER IP ENABLED SERVICES, LLC 344   2020-09-03   
989-353 3 Chester MI   145J TERRA NOVA TELECOM INC. 344   2025-05-28   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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