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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-301 A Tecumseh MI PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-301 0 Tecumseh MI PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-301 1 Tecumseh MI PLMOMIFAFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
517-301 2 Tecumseh MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-11-01   
517-301 3 Tecumseh MI ADRNMIXGOMD  543C ONVOY, LLCV - MI 340   2007-03-09   
517-301 4 Tecumseh MI PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340   2008-03-21   
517-301 5 Tecumseh MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-11-25   
517-301 6 Tecumseh MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2013-02-08   
517-301 7 Tecumseh MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-09-24   
517-301 8 Tecumseh MI ADRNMIXGOMD  543C ONVOY, LLCV - MI 340   2021-01-31   
517-301 9 Tecumseh MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-01-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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