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
517-444 A Charlotte MI LNNGMIXIDS0  7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-05-07   
517-444 0 Charlotte MI   6664 SPRINT SPECTRUM L.P. 346   2005-06-04   
517-444 1 Charlotte MI   6664 SPRINT SPECTRUM L.P. 346   2007-02-22   
517-444 2 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-10-18   
517-444 3 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-05-07   
517-444 4 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-05-07   
517-444 5 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-07-19   
517-444 6 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-07-19   
517-444 7 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-10-18   
517-444 8 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-10-18   
517-444 9 Charlotte MI   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 346   2005-10-18   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.