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
989-201 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-212 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-222 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-258 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-276 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-378 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-384 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-396 A Clare MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-405 A Freeland MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-434 A Bad Axe MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-440 A Clare MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-477 A West Branch MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-478 A Grayling MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-489 A Oscoda MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-490 A Gaylord MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-518 A Higgins Lake MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-603 A Alpena MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-604 A Houghton Lake MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-610 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-612 A Mount Pleasant MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-716 A Freeland MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-722 A Bad Axe MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-730 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-744 A Owosso MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-920 A Saginaw MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-924 A Alma MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-926 A Midland MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-929 A Bay City MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-979 A St Johns MI 9748 AMERICAN MESSAGING SERVICES, LLC 344      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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