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: 701

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-701 A Clinton MI SFLDMIDICA0  2550 123.NET, LLC 340      
517-701 0 Clinton MI   624H ONVOY SPECTRUM, LLC 340   2021-06-13   
517-701 1 Clinton MI   558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340   2008-04-20   
517-701 2 Clinton MI   543C ONVOY, LLCV - MI 340   2017-06-23   
517-701 3 Clinton MI   543C ONVOY, LLCV - MI 340   2020-02-08   
517-701 4 Clinton MI   543C ONVOY, LLCV - MI 340   2020-02-08   
517-701 5 Clinton MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2016-03-21   
517-701 6 Clinton MI   543C ONVOY, LLCV - MI 340   2021-03-05   
517-701 7 Clinton MI   508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-03-20   
517-701 8 Clinton MI   543C ONVOY, LLCV - MI 340   2021-03-05   
517-701 9 Clinton MI   506J TWILIO INTERNATIONAL, INC. 340   2021-07-15   

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

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