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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-204 1 Ishpeming MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-213 A Bergland MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-215 A Curtis MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-217 A Escanaba MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-218 A Engadine MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-234 A Mackinac Island MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-237 A Crystal Falls MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-244 A Cedarville MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-252 A Manistique MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-292 2 Brevort MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-302 A Iron Mountain MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-307 A Ironwood MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-308 A Iron River MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-312 A Keweenaw MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-315 A Marquette MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-317 A Menominee MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-321 A Newberry MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-324 A Powers MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-325 A Rock MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-326 A Stephenson MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-327 A Sault Ste Marie MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-328 A St Ignace MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-329 A Watersmeet MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-339 7 Champion MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-359 6 Perkins MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-434 A Rudyard MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-474 1 Rapid River MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-498 0 Hermansville MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-542 1 Channing MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-663 1 Bessemer MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-676 A Michigamme MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-696 A Houghton MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-710 A De Tour MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-717 A Pickford MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-723 2 Bark River MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   
906-743 A Trout Lake MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-760 A Republic MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-934 1 Calumet MI 4632 INTERACTIVE SERVICES NETWORK, INC. 342   2005-09-04   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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