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: 432

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-432 A Northport MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-432 0 Northport MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-432 1 Northport MI   3535 ACD TELECOM, INC. - MI 348   2005-02-17   
231-432 2 Northport MI   543C ONVOY, LLC - MI 348   2016-03-24   
231-432 3 Northport MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2008-11-13   
231-432 4 Northport MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2013-08-06   
231-432 5 Northport MI   543C ONVOY, LLC - MI 348   2012-06-01   
231-432 6 Northport MI   0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-02-10   
231-432 7 Northport MI   543C ONVOY, LLC - MI 348   2013-01-04   
231-432 8 Northport MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
231-432 9 Northport MI   543C ONVOY, LLC - MI 348   2016-03-24   

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

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