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: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-266 A Brevort MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2024-03-04   
906-266 0 Brevort MI   543C ONVOY, LLCV - MI 342   2021-12-05   
906-266 1 Brevort MI   543C ONVOY, LLCV - MI 342   2023-09-03   
906-266 2 Brevort MI   624H ONVOY SPECTRUM, LLC 342   2024-06-14   
906-266 6 Brevort MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2021-12-18   

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

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