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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-297 A Troy NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134   2025-06-09   
838-297 0 Troy NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134   2025-06-09   
838-297 1 Troy NY   384C ONVOY, LLC- NY 134   2026-09-11   
838-297 2 Troy NY   384C ONVOY, LLC- NY 134   2026-08-30   
838-297 3 Troy NY   384C ONVOY, LLC- NY 134   2026-08-30   
838-297 4 Troy NY   384C ONVOY, LLC- NY 134   2026-08-30   
838-297 5 Troy NY   384C ONVOY, LLC- NY 134   2026-09-11   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.