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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-258 A Howell MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-05-10   
517-258 0 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-05-10   
517-258 1 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-06-15   
517-258 2 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-09-21   
517-258 3 Howell MI   543C ONVOY, LLC - MI 340   2012-10-13   
517-258 4 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2013-07-29   
517-258 5 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2012-11-26   
517-258 6 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2012-11-26   
517-258 7 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-12-16   
517-258 8 Howell MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2014-01-03   
517-258 9 Howell MI   543C ONVOY, LLC - MI 340   2013-03-15   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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