Local Calling Guide

Area code/prefix search

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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-851 A Stockbridge MI STBRMIXIDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 0 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 1 Stockbridge MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 346   2009-09-26   
517-851 2 Stockbridge MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2003-11-23   
517-851 3 Stockbridge MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346   2004-07-17   
517-851 4 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 5 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 6 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 7 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 8 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      
517-851 9 Stockbridge MI   0681 FRONTIER MIDSTATES, INC. - MI 346      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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