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: 516 [Rate centres in NPA 516] [Dial plan for NPA 516]

NXX: 917

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
516-917 A Cold Spring Harbor NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2024-02-15   
516-917 0 Cold Spring Harbor NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2024-02-15   
516-917 1 Cold Spring Harbor NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2024-07-29   
516-917 7 Cold Spring Harbor NY NYCMNYZRXDX  616J LEAP TELECOM, LLC 132   2024-02-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.