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: 2550 123.NET, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
248-793 A Ortonville MI SFLDMIDICA0  340      
248-793 0 Ortonville MI SFLDMIDICA0  340   2005-12-17   
248-849 9 Southfield MI SFLDMIDICA0  340   2013-08-05   
248-912 9 Northville MI SFLDMIDICA0  340      
248-918 5 Troy MI SFLDMIDICA0  340   2013-01-20   
248-951 4 Royal Oak MI SFLDMIDICA0  340   2016-06-17   
248-952 9 Birmingham MI SFLDMIDICA0  340   2012-12-10   
269-244 7 Three Rivers MI GDRPMIBLX8Z  348   2002-12-01   
269-283 8 Mattawan MI GDRPMIBLX8Z  348   2017-02-24   
269-315 A Vicksburg MI GDRPMIBLX8Z  348      
269-315 2 Vicksburg MI GDRPMIBLX8Z  348   2015-05-28   
269-366 3 Kalamazoo MI GDRPMIBLX8Z  348   2010-09-01   
269-408 9 St Joseph MI GDRPMIBLX8Z  348   2009-10-11   
269-416 5 Ganges MI GDRPMIBLX8Z  348   2005-09-19   
269-466 9 Bridgman MI GDRPMIBLX8Z  348   2002-12-11   
269-473 7 Berrien Springs MI GDRPMIBLX8Z  348   2009-03-25   
269-509 9 Wayland MI GDRPMIBLX8Z  348   2002-12-01   
269-512 9 Allegan MI GDRPMIBLX8Z  348   2002-12-23   
269-586 5 New Buffalo MI GDRPMIBLX8Z  348   2008-11-20   
269-591 8 Niles MI GDRPMIBLX8Z  348   2002-12-01   
269-621 9 Hartford MI GDRPMIBLX8Z  348   2002-12-01   
269-625 9 Sturgis MI GDRPMIBLX8Z  348   2002-12-01   
269-629 1 Richland MI GDRPMIBLX8Z  348   2009-06-02   
269-639 5 South Haven MI GDRPMIBLX8Z  348   2003-03-09   
269-641 0 Union MI GDRPMIBLX8Z  348   2002-12-01   
269-680 A Plainwell MI GDRPMIBLX8Z  348      
269-680 8 Plainwell MI GDRPMIBLX8Z  348   2010-02-15   
269-692 4 Otsego MI GDRPMIBLX8Z  348   2009-06-11   
269-719 8 Battle Creek MI GDRPMIBLX8Z  348   2002-12-11   
269-756 0 Three Oaks MI GDRPMIBLX8Z  348   2002-12-01   
269-757 0 Benton Harbor MI GDRPMIBLX8Z  348   2002-12-11   
269-763 6 Bellevue MI GDRPMIBLX8Z  348   2002-12-11   
269-783 8 Dowagiac MI GDRPMIBLX8Z  348   2003-03-09   
269-789 5 Marshall MI GDRPMIBLX8Z  348   2009-03-25   
269-818 5 Hastings MI GDRPMIBLX8Z  348   2002-12-01   
269-929 9 Kalamazoo MI GDRPMIBLX8Z  348   2002-12-01   
313-228 0 Detroit Zone 6 MI SFLDMIDICA0  340   2003-01-25   
313-263 0 Detroit Zone 1 MI SFLDMIDICA0  340   2003-01-25   
313-270 9 Detroit Zone 4 MI SFLDMIDICA0  340   2008-04-18   
313-347 2 Detroit Zone 2 MI SFLDMIDICA0  340   2003-01-25   
313-438 5 Detroit Zone 6 MI SFLDMIDICA0  340   2012-12-10   
313-446 8 Detroit Zone 1 MI SFLDMIDICA0  340   2011-09-26   
313-448 9 Detroit Zone 1 MI SFLDMIDICA0  340   2011-02-21   
313-543 8 Detroit Zone 5 MI SFLDMIDICA0  340   2008-03-13   
313-626 2 Detroit Zone 2 MI SFLDMIDICA0  340   2011-02-12   
313-733 0 Detroit Zone 3 MI SFLDMIDICA0  340   2008-03-13   
313-756 8 Detroit Zone 1 MI SFLDMIDICA0  340   2021-02-22   
313-756 9 Detroit Zone 1 MI SFLDMIDICA0  340   2021-02-22   
517-236 5 Dimondale MI LNNGMIMNX3Y  346   2017-12-18   
517-268 0 Holt MI LNNGMIMNX3Y  346      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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