Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-256 A Gwinn MI MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-256 0 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2019-04-29   
906-256 1 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2020-09-13   
906-256 2 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2020-05-10   
906-256 3 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2020-05-10   
906-256 4 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-02-03   
906-256 5 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-02-03   
906-256 6 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2019-01-25   
906-256 7 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2020-09-12   
906-256 8 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2020-09-12   
906-256 9 Gwinn MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-02-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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