Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-424 A Tecumseh MI TCMSMIXGDS0  0695 FRONTIER NORTH, INC. - MI 340      
517-424 0 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 1 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 2 Tecumseh MI   318J COMCAST IP PHONE, LLC 340   2014-01-03   
517-424 3 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 4 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 5 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 6 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 7 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 8 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      
517-424 9 Tecumseh MI   0695 FRONTIER NORTH, INC. - MI 340      

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

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