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: 322

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-322 A Torch River Bridge MI TRRVMIXGRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-322 0 Torch River Bridge MI   3535 ACD TELECOM, INC. - MI 348   2005-02-18   
231-322 1 Torch River Bridge MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-05-31   
231-322 2 Torch River Bridge MI   0695 FRONTIER NORTH, INC. - MI 348      
231-322 3 Torch River Bridge MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-322 4 Torch River Bridge MI   0695 FRONTIER NORTH, INC. - MI 348      
231-322 5 Torch River Bridge MI   7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-09-19   
231-322 6 Torch River Bridge MI   0695 FRONTIER NORTH, INC. - MI 348      
231-322 7 Torch River Bridge MI   543C ONVOY, LLC - MI 348   2013-03-18   
231-322 8 Torch River Bridge MI   543C ONVOY, LLC - MI 348   2021-03-27   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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