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.

OCN: 508J CENTURYLINK COMMUNICATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
989-662 5 Auburn MI   344   2016-02-25   
989-674 6 Unionville MI   344   2015-05-07   
989-682 6 Maple Rapids MI   344   2015-05-07   
989-690 7 Hubbardston MI   344   2015-05-07   
989-691 7 Akron MI   344   2016-02-25   
989-715 7 Merrill MI   344   2015-05-07   
989-727 6 Hubbard Lake MI   344   2015-05-08   
989-742 0 Hillman MI   344   2015-05-08   
989-747 5 Oscoda MI   344   2015-05-06   
989-762 6 McBride MI   344   2015-05-07   
989-766 6 Posen MI   344   2015-05-08   
989-783 7 Roscommon MI   344   2015-05-07   
989-787 6 West Branch MI   344   2015-05-07   
989-814 6 Six Lakes MI   344   2015-05-08   
989-818 7 Lakeview MI   344   2015-05-07   
989-823 5 Vassar MI   344   2015-05-07   
989-833 3 Riverdale MI   344   2015-05-07   
989-834 7 Ovid MI   344   2015-05-08   
989-838 6 Pompeii MI   344   2015-05-07   
989-844 A Saginaw MI SGNWMIFAXCY  344      
989-844 7 Saginaw MI   344   2015-05-05   
989-847 0 Ashley MI   344   2016-02-25   
989-855 7 Muir MI   344   2015-05-07   
989-868 8 Reese MI   344   2015-05-06   
989-883 8 Sebewaing MI   344   2015-05-06   
989-903 7 Standish MI   344   2015-05-06   
989-915 6 Grayling MI   344   2015-05-07   
989-932 7 Durand MI   344   2017-11-02   
989-934 6 Rose City MI   344   2015-05-07   
989-935 7 Clare MI   344   2016-02-25   
989-966 6 Vanderbilt MI   344   2015-05-08   
989-975 7 Bad Axe MI   344   2016-02-25   
989-999 6 Birch Run MI   344   2016-02-25   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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