Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: MRQTMIMNCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-214 A Iron River MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-256 A Gwinn MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-379 A Sault Ste Marie MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-629 A Marquette MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-662 A Marquette MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-670 A Watersmeet MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-680 A Wakefield MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-723 A Bark River MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-762 A Newberry MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-813 A Bergland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-914 A Menominee MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-984 A St Ignace MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      

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

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