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: 787

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-787 A White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-787 0 White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-01-04   
231-787 1 White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-01-04   
231-787 2 White Cloud MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-31   
231-787 3 White Cloud MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2018-12-28   
231-787 4 White Cloud MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2016-08-05   
231-787 5 White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-787 6 White Cloud MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS LLC 348   2017-11-03   
231-787 7 White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-11   
231-787 8 White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-11   
231-787 9 White Cloud MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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