Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-398 A Manistee MI MNSTMIMNDS0  9323 AMERITECH MICHIGAN 348      
231-398 0 Manistee MI   9323 AMERITECH MICHIGAN 348      
231-398 1 Manistee MI   9323 AMERITECH MICHIGAN 348      
231-398 2 Manistee MI   9323 AMERITECH MICHIGAN 348      
231-398 3 Manistee MI   9323 AMERITECH MICHIGAN 348      
231-398 4 Manistee MI   9323 AMERITECH MICHIGAN 348      
231-398 5 Manistee MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-09-11   
231-398 6 Manistee MI   9323 AMERITECH MICHIGAN 348      
231-398 7 Manistee MI   6664 SPRINT SPECTRUM L.P. 348   2010-09-03   
231-398 8 Manistee MI   6664 SPRINT SPECTRUM L.P. 348   2011-04-07   
231-398 9 Manistee MI   9323 AMERITECH MICHIGAN 348      

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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