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.

Switch: NYCRNYBBAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
329-240 A Spring Valley NY 0051 SHELCOMM 132   2025-10-31   
332-231 A New York City Zone 01 NY 0051 SHELCOMM 132      
363-214 A Nassau Zone 1 NY 0051 SHELCOMM 132   2025-10-25   
631-280 A Westhampton NY 0051 SHELCOMM 132   2025-10-25   
914-726 A Westchester Zone 1 NY 0051 SHELCOMM 132   2025-10-17   
929-826 A New York City Zone 03 NY 0051 SHELCOMM 132   2025-10-25   
934-264 A Riverhead NY 0051 SHELCOMM 132   2025-10-25   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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