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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-670 A Watersmeet MI MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-670 1 Watersmeet MI   2550 123.NET, LLC 342   2004-10-29   
906-670 4 Watersmeet MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2005-03-19   
906-670 5 Watersmeet MI   543C ONVOY, LLCV - MI 342   2021-02-03   
906-670 6 Watersmeet MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2020-06-16   
906-670 7 Watersmeet MI   508J CENTURYLINK COMMUNICATIONS, LLC 342   2018-03-14   
906-670 8 Watersmeet MI   543C ONVOY, LLCV - MI 342   2021-02-03   
906-670 9 Watersmeet MI   624H ONVOY SPECTRUM, LLC 342   2024-08-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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