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: 563

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-563 A Norway MI NRWYMINWDS0  9323 MICHIGAN BELL TEL CO 342      
906-563 0 Norway MI   9323 MICHIGAN BELL TEL CO 342      
906-563 1 Norway MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2007-05-27   
906-563 2 Norway MI   792K CHARTER IP ENABLED SERVICES, LLC 342   2007-09-29   
906-563 3 Norway MI   624H ONVOY SPECTRUM, LLC 342   2024-08-11   
906-563 4 Norway MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2014-05-11   
906-563 5 Norway MI   9323 MICHIGAN BELL TEL CO 342      
906-563 6 Norway MI   9323 MICHIGAN BELL TEL CO 342      
906-563 7 Norway MI   9323 MICHIGAN BELL TEL CO 342      
906-563 8 Norway MI   9323 MICHIGAN BELL TEL CO 342      
906-563 9 Norway MI   9323 MICHIGAN BELL TEL CO 342      

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

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