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: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-323 A Michigamme MI MCHGMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-323 0 Michigamme MI   543C ONVOY, LLCV - MI 342   2020-06-14   
906-323 3 Michigamme MI   2550 123.NET, LLC 342   2004-10-29   
906-323 4 Michigamme MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2005-04-04   
906-323 5 Michigamme MI   116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-323 6 Michigamme MI   9323 MICHIGAN BELL TEL CO 342      
906-323 7 Michigamme MI   508J CENTURYLINK COMMUNICATIONS, LLC 342   2018-03-10   
906-323 8 Michigamme MI   543C ONVOY, LLCV - MI 342   2019-01-25   
906-323 9 Michigamme MI   543C ONVOY, LLCV - MI 342   2020-09-12   

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

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