Local Calling Guide

Area code/prefix search

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

NXX: 790

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-790 A Freesoil MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348      
231-790 0 Freesoil MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-24   
231-790 1 Freesoil MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-790 2 Freesoil MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-06-01   
231-790 3 Freesoil MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-12-30   
231-790 4 Freesoil MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-24   
231-790 5 Freesoil MI GDRPMIBL15Z  516C AT&T CORP. 348   2011-08-23   
231-790 6 Freesoil MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-790 7 Freesoil MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-02-03   
231-790 8 Freesoil MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-26   
231-790 9 Freesoil MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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