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: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-568 A Homer MI HOMRMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-568 0 Homer MI   2550 123.NET, LLC 346   2003-03-09   
517-568 1 Homer MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2005-09-05   
517-568 3 Homer MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-568 4 Homer MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-568 5 Homer MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-568 6 Homer MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-568 7 Homer MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-568 8 Homer MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2004-07-17   
517-568 9 Homer MI   046L CLEAR RATE COMMUNICATIONS, LLC 346   2011-06-20   

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

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