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.

NPA: 838 [Rate centres in NPA 838] [Dial plan for NPA 838]

NXX: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-271 A Schroon Lake NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134      
838-271 0 Schroon Lake NY   515J IP HORIZON LLC 134   2024-08-16   
838-271 2 Schroon Lake NY   384C ONVOY, LLC- NY 134   2023-08-26   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.