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.
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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   384C ONVOY, LLC- NY 132   2024-02-15   
516-917 1 Cold Spring Harbor NY   384C ONVOY, LLC- NY 132   2024-07-29   
516-917 7 Cold Spring Harbor NY   616J LEAP TELECOM, LLC 132   2024-02-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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