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: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-600 A Hoosick Falls NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134      
838-600 0 Hoosick Falls NY   558C REGIONAL TELEPHONE CORPORATION - NY 134   2022-12-05   
838-600 1 Hoosick Falls NY   939H COMMIO, LLC 134   2024-02-19   
838-600 3 Hoosick Falls NY   624H ONVOY SPECTRUM, LLC 134   2022-02-28   
838-600 4 Hoosick Falls NY   624H ONVOY SPECTRUM, LLC 134   2022-02-28   
838-600 5 Hoosick Falls NY   624H ONVOY SPECTRUM, LLC 134   2021-04-23   
838-600 6 Hoosick Falls NY   384C ONVOY, LLC- NY 134   2021-03-05   
838-600 7 Hoosick Falls NY   384C ONVOY, LLC- NY 134   2021-03-05   
838-600 8 Hoosick Falls NY   384C ONVOY, LLC- NY 134   2021-03-05   
838-600 9 Hoosick Falls NY   818H PEERING HUB, INC. - NY 134   2021-04-26   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.