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.

OCN: 2612 SCARSDALE SECURITY SYSTEMS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
516-722 A Nassau Zone 5 NY SCDLNYAN1MD  132      
631-733 A Brentwood NY SCDLNYAN1MD  132      
845-722 A Nyack NY SCDLNYAN1MD  132      
914-724 A Westchester Zone 8 NY SCDLNYAN1MD  132      
917-585 A New York City Zone 09 NY SCDLNYAN1MD  132      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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