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: SGNWMIFA7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-215 A Oscoda MI 7701 PHONE MICHIGAN 344      
989-216 A West Branch MI 7701 PHONE MICHIGAN 344      
989-244 A Birch Run MI 7701 PHONE MICHIGAN 344      
989-399 A Saginaw MI 7701 PHONE MICHIGAN 344      
989-421 A Clare MI 7701 PHONE MICHIGAN 344      
989-460 A Bay City MI 7701 PHONE MICHIGAN 344      
989-462 A Alma MI 7701 PHONE MICHIGAN 344      
989-480 A Frankenmuth MI 7701 PHONE MICHIGAN 344      
989-698 A Midland MI 7701 PHONE MICHIGAN 344      
989-721 A Owosso MI 7701 PHONE MICHIGAN 344      
989-921 A Saginaw MI 7701 PHONE MICHIGAN 344      
989-922 A Bay City MI 7701 PHONE MICHIGAN 344      
989-923 A Midland MI 7701 PHONE MICHIGAN 344      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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