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: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-278 A Greenwich CT GNWCCTGN8MD  4950 CABLEVISION LIGHTPATH, INC. - CT 132      
475-278 0 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-07-19   
475-278 1 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-07-19   
475-278 2 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-07-19   
475-278 3 Greenwich CT GNWCCTGN8MD  4950 CABLEVISION LIGHTPATH, INC. - CT 132   2021-04-21   
475-278 4 Greenwich CT NYCMNYZRX3X  516J TON80 COMMUNICATIONS, LLC 132   2021-06-28   
475-278 5 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-07-19   
475-278 6 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-04-26   
475-278 7 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-04-26   
475-278 8 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-04-26   
475-278 9 Greenwich CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2021-04-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.