Local Calling Guide

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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-797 A Luther MI LTHRMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-797 0 Luther MI   3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-797 1 Luther MI   829J PAETEC ITEL, LLC 348   2004-02-10   
231-797 2 Luther MI   543C ONVOY, LLCV - MI 348   2015-08-02   
231-797 3 Luther MI   543C ONVOY, LLCV - MI 348   2016-04-14   
231-797 4 Luther MI   543C ONVOY, LLCV - MI 348   2013-03-18   
231-797 5 Luther MI   9323 MICHIGAN BELL TEL CO 348      
231-797 6 Luther MI   543C ONVOY, LLCV - MI 348   2016-04-14   
231-797 7 Luther MI   145J TERRA NOVA TELECOM INC. 348   2024-02-14   
231-797 8 Luther MI   508J CENTURYLINK COMMUNICATIONS, LLC 348   2017-10-04   
231-797 9 Luther MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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