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: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-201 A Leslie MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-201 0 Leslie MI   543C ONVOY, LLCV - MI 346   2016-05-06   
517-201 1 Leslie MI   543C ONVOY, LLCV - MI 346   2016-05-06   
517-201 2 Leslie MI   543C ONVOY, LLCV - MI 346   2018-09-13   
517-201 3 Leslie MI   7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346   2020-08-03   
517-201 4 Leslie MI   543C ONVOY, LLCV - MI 346   2021-05-10   
517-201 5 Leslie MI   543C ONVOY, LLCV - MI 346   2021-03-05   
517-201 6 Leslie MI   543C ONVOY, LLCV - MI 346   2021-03-05   
517-201 7 Leslie MI   624H ONVOY SPECTRUM, LLC 346   2021-06-17   
517-201 8 Leslie MI   543C ONVOY, LLCV - MI 346   2021-06-18   
517-201 9 Leslie MI   543C ONVOY, LLCV - MI 346   2021-06-18   

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

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