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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-277 A Channing MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2024-03-04   
906-277 0 Channing MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-02-14   
906-277 1 Channing MI BRLDMIMNBMD  516C AT&T CORP. 342   2023-09-25   
906-277 2 Channing MI MRQTMIMNX2X  624H ONVOY SPECTRUM, LLC 342   2024-06-24   
906-277 6 Channing MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-03-05   
906-277 7 Channing MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2021-03-05   

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

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