Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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
517-295 A Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340      
517-295 0 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2013-05-05   
517-295 1 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-03-24   
517-295 2 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-06-02   
517-295 3 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-07-25   
517-295 4 Howell MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2014-02-07   
517-295 5 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-01-10   
517-295 6 Howell MI   7575 CENTURYLINK COMMUNICATIONS LLC 340   2014-07-15   
517-295 7 Howell MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-06-20   
517-295 8 Howell MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-06-20   
517-295 9 Howell MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2014-05-29   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.