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: MDTWNYXAMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
272-343 A Milford PA 547E ONVOY, LLC - PA 133      
329-200 A Bloomingburg NY 384C ONVOY, LLC- NY 133      
845-316 A Bloomingburg NY 384C ONVOY, LLC- NY 133   2024-03-05   
845-506 A Port Jervis NY 384C ONVOY, LLC- NY 133      
845-910 A Denton NY 384C ONVOY, LLC- NY 133      
845-919 A Otisville NY 384C ONVOY, LLC- NY 133      

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

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