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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-391 A Bay City MI SGNWMIACNMD  732J NUSO, LLC 344      
989-391 0 Bay City MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-12-07   
989-391 1 Bay City MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-12-07   
989-391 3 Bay City MI SGNWMIFAX5X  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344   2007-06-30   
989-391 4 Bay City MI SGNWMIATX0X  516C AT&T CORP. 344   2007-03-20   
989-391 5 Bay City MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-12-17   
989-391 6 Bay City MI SGNWMIACNMD  732J NUSO, LLC 344   2023-03-05   
989-391 7 Bay City MI SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-12-17   
989-391 8 Bay City MI   145J TERRA NOVA TELECOM INC. 344   2021-12-02   
989-391 9 Bay City MI SGNWMIPA1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 344   2007-02-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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