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
517-273 A Howell MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2017-08-25   
517-273 0 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-10-19   
517-273 1 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-10-19   
517-273 2 Howell MI   543C ONVOY, LLC - MI 340   2018-09-10   
517-273 3 Howell MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2019-10-25   
517-273 5 Howell MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2017-08-25   
517-273 6 Howell MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2017-08-25   
517-273 7 Howell MI   543C ONVOY, LLC - MI 340   2018-06-30   
517-273 8 Howell MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-09-29   

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

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