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: PGHKNYWSCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
329-329 A Ellenville NY 558C REGIONAL TELEPHONE CORPORATION - NY 133      
329-444 A Stanfordville NY 558C REGIONAL TELEPHONE CORPORATION - NY 133      
329-777 A Tivoli NY 558C REGIONAL TELEPHONE CORPORATION - NY 133      
845-845 A Poughkeepsie NY 558C REGIONAL TELEPHONE CORPORATION - NY 133      
845-900 A Barryville NY 558C REGIONAL TELEPHONE CORPORATION - NY 133      

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

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