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: SFLDMIDICA0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-512 A Algonac MI 2550 123.NET, INC. 340      
810-512 1 Algonac MI 2550 123.NET, INC. 340   2003-01-25   
810-628 6 Swartz Creek MI 2550 123.NET, INC. 340   2012-03-08   
810-637 3 St Clair MI 2550 123.NET, INC. 340   2003-01-24   
810-699 A Applegate MI 2550 123.NET, INC. 340      
810-776 7 Flint MI 2550 123.NET, INC. 340   2022-07-15   
810-793 3 Columbiaville MI 2550 123.NET, INC. 340   2010-03-28   
810-827 A Emmett MI 2550 123.NET, INC. 340      
810-827 9 Emmett MI 2550 123.NET, INC. 340      
810-835 4 Flint MI 2550 123.NET, INC. 340   2006-12-03   
810-901 A Sandusky MI 2550 123.NET, INC. 340      
810-991 A Hartland MI 2550 123.NET, INC. 340      
810-991 0 Hartland MI 2550 123.NET, INC. 340   2003-04-20   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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