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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Switch: PRKNMIATQMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-231 8 Houghton MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-10-15   
906-258 A Marquette MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342      
906-259 6 Sault Ste Marie MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-10-15   
906-266 6 Brevort MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2021-12-18   
906-291 6 Newberry MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-10-15   
906-352 6 Menominee MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-04-05   
906-398 6 Escanaba MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2014-10-20   
906-444 6 Rock MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2021-12-18   
906-448 A Iron Mountain MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342      
906-448 6 Iron Mountain MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-03-17   
906-464 5 Ishpeming MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2016-08-19   
906-662 6 Marquette MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-10-15   
906-670 6 Watersmeet MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2020-06-16   
906-675 3 Ironwood MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2016-12-19   
906-723 6 Bark River MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2017-03-27   
906-826 6 Stephenson MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2019-01-21   
906-847 2 Mackinac Island MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2015-07-09   
906-875 5 Crystal Falls MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-10-15   
906-936 2 Marquette MI 770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2023-11-23   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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