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: 486

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-486 A Ishpeming MI ISHPMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-486 1 Ishpeming MI   9323 MICHIGAN BELL TEL CO 342      
906-486 4 Ishpeming MI   9323 MICHIGAN BELL TEL CO 342      
906-486 6 Ishpeming MI   9323 MICHIGAN BELL TEL CO 342      
906-486 7 Ishpeming MI   508J CENTURYLINK COMMUNICATIONS, LLC 342   2018-03-10   
906-486 8 Ishpeming MI   9323 MICHIGAN BELL TEL CO 342      
906-486 9 Ishpeming MI   9323 MICHIGAN BELL TEL CO 342      

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

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