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: IRMTMIMNPMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-232 A Marquette MI 2550 123.NET, LLC 342      
906-232 0 Marquette MI 2550 123.NET, LLC 342      
906-289 5 Keweenaw MI 2550 123.NET, LLC 342      
906-323 3 Michigamme MI 2550 123.NET, LLC 342      
906-356 1 Rock MI 2550 123.NET, LLC 342      
906-364 6 Ironwood MI 2550 123.NET, LLC 342      
906-365 4 Bergland MI 2550 123.NET, LLC 342      
906-367 8 Iron River MI 2550 123.NET, LLC 342      
906-368 2 Powers MI 2550 123.NET, LLC 342      
906-376 1 Republic MI 2550 123.NET, LLC 342      
906-379 1 Sault Ste Marie MI 2550 123.NET, LLC 342      
906-477 2 Engadine MI 2550 123.NET, LLC 342      
906-523 0 Houghton MI 2550 123.NET, LLC 342      
906-553 0 Escanaba MI 2550 123.NET, LLC 342      
906-569 8 Trout Lake MI 2550 123.NET, LLC 342      
906-586 0 Curtis MI 2550 123.NET, LLC 342      
906-670 1 Watersmeet MI 2550 123.NET, LLC 342      
906-753 8 Stephenson MI 2550 123.NET, LLC 342      
906-762 1 Newberry MI 2550 123.NET, LLC 342      
906-792 7 Menominee MI 2550 123.NET, LLC 342      
906-825 5 Gladstone MI 2550 123.NET, LLC 342      
906-828 A Iron Mountain MI 2550 123.NET, LLC 342      
906-828 0 Iron Mountain MI 2550 123.NET, LLC 342      
906-847 7 Mackinac Island MI 2550 123.NET, LLC 342      
906-984 1 St Ignace MI 2550 123.NET, LLC 342      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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