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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OCN: 2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC DBA T-MOBILE USA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
989-307 4 St Johns MI   344   2017-09-01   
989-403 2 St Johns MI   344   2017-09-01   
989-403 4 St Johns MI   344   2017-09-01   
989-493 A Saginaw MI SGNWMIFAX7X  344      
989-493 0 Saginaw MI   344      
989-493 1 Saginaw MI   344      
989-493 2 Saginaw MI   344      
989-493 3 Saginaw MI   344      
989-493 4 Saginaw MI   344      
989-493 5 Saginaw MI   344      
989-493 6 Saginaw MI   344      
989-493 7 Saginaw MI   344   2009-12-20   
989-493 8 Saginaw MI   344   2009-12-20   
989-493 9 Saginaw MI   344      
989-501 A Saginaw MI SGNWMIFAX7X  344      
989-501 0 Saginaw MI   344      
989-501 1 Saginaw MI   344      
989-501 2 Saginaw MI   344   2009-09-30   
989-501 3 Saginaw MI   344   2009-09-30   
989-501 4 Saginaw MI   344   2010-04-24   
989-501 5 Saginaw MI   344   2010-04-24   
989-501 6 Saginaw MI   344      
989-501 9 Saginaw MI   344      
989-546 9 Mount Pleasant MI   344   2019-07-15   
989-572 2 Mount Pleasant MI   344   2018-04-23   
989-572 3 Mount Pleasant MI   344   2018-04-23   
989-572 4 Mount Pleasant MI   344   2018-04-23   
989-572 6 Mount Pleasant MI   344   2017-06-10   
989-572 9 Mount Pleasant MI   344   2017-06-10   
989-614 2 Gaylord MI   344   2018-12-03   
989-614 3 Gaylord MI   344   2018-12-03   
989-614 5 Gaylord MI   344   2018-12-03   
989-614 8 Gaylord MI   344   2018-12-03   
989-721 2 Owosso MI   344   2017-09-04   
989-721 4 Owosso MI   344   2017-09-04   
989-817 5 Mount Pleasant MI   344   2019-07-15   
989-824 5 Mount Pleasant MI   344   2019-07-15   
989-824 6 Mount Pleasant MI   344   2019-07-15   
989-906 A Saginaw MI SGNWMIFAX7X  344      
989-906 0 Saginaw MI   344      
989-906 1 Saginaw MI   344      
989-906 2 Saginaw MI   344      
989-906 3 Saginaw MI   344      
989-906 4 Saginaw MI   344      
989-906 5 Saginaw MI   344      
989-906 6 Saginaw MI   344      
989-906 7 Saginaw MI   344      
989-906 8 Saginaw MI   344   2011-07-17   
989-906 9 Saginaw MI   344      
989-909 A Saginaw MI SGNWMIFAX7X  344      

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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