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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
989-794 A Midland MI   344      
989-803 A Bad Axe MI   344      
989-806 A Stanton MI   344      
989-825 A Alger MI   344      
989-826 0 Mio MI   344   2005-09-04   
989-849 A Gaines MI   340      
989-885 A Clare MI   344      
989-905 A Carson City MI   344      
989-910 A Houghton Lake MI   344      
989-936 A Owosso MI   344      
989-949 A McBride MI   344      
989-956 A Mount Pleasant MI   344      
989-962 A Minden City MI   344      

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Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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