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: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-663 A Bessemer MI BSMRMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-663 0 Bessemer MI   9323 MICHIGAN BELL TEL CO 342      
906-663 1 Bessemer MI   4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-663 2 Bessemer MI   792K CHARTER IP ENABLED SERVICES, LLC 342   2007-04-23   
906-663 3 Bessemer MI   116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-663 4 Bessemer MI   9323 MICHIGAN BELL TEL CO 342      
906-663 5 Bessemer MI   624H ONVOY SPECTRUM, LLC 342   2024-06-14   
906-663 6 Bessemer MI   9323 MICHIGAN BELL TEL CO 342      
906-663 7 Bessemer MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2018-03-14   
906-663 8 Bessemer MI   543C ONVOY, LLCV - MI 342   2020-02-20   

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

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