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: 518 [Rate centres in NPA 518] [Dial plan for NPA 518]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-576 A Keene NY KNVYNYKVRS0  9104 VERIZON NEW YORK, INC. 134      
518-576 0 Keene NY   384C ONVOY, LLC- NY 134   2012-08-27   
518-576 1 Keene NY   384C ONVOY, LLC- NY 134   2012-04-07   
518-576 2 Keene NY   145J TERRA NOVA TELECOM INC. 134   2025-07-12   
518-576 3 Keene NY   7140 TC SYSTEMS, INC. - NY 134   2003-08-29   
518-576 4 Keene NY   9104 VERIZON NEW YORK, INC. 134      
518-576 5 Keene NY   1227 WESTELCOM NETWORK, INC. - NY 134   2001-07-02   
518-576 6 Keene NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2005-08-08   
518-576 7 Keene NY   997E BANDWIDTH.COM CLEC, LLC - NY 134   2012-01-15   
518-576 8 Keene NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2008-04-29   
518-576 9 Keene NY   9104 VERIZON NEW YORK, INC. 134      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.