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: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-825 A McBain MI MCBNMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
231-825 0 McBain MI   9323 MICHIGAN BELL TEL CO 348      
231-825 1 McBain MI   829J PAETEC ITEL, LLC 348   2004-02-10   
231-825 2 McBain MI   9323 MICHIGAN BELL TEL CO 348      
231-825 3 McBain MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-12   
231-825 4 McBain MI   9323 MICHIGAN BELL TEL CO 348      
231-825 6 McBain MI   516C AT&T CORP. 348   2011-08-23   
231-825 7 McBain MI   3535 ACD TELECOM, INC. - MI 348   2005-02-17   
231-825 8 McBain MI   9323 MICHIGAN BELL TEL CO 348      
231-825 9 McBain MI   543C ONVOY, LLCV - MI 348   2012-06-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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