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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-828 A Hillsdale NY   960K GREENWAY COMMUNICATIONS, LLC 134   2026-05-07   
838-828 1 Hillsdale NY   960K GREENWAY COMMUNICATIONS, LLC 134   2026-05-07   
838-828 3 Hillsdale NY   960K GREENWAY COMMUNICATIONS, LLC 134   2026-05-07   
838-828 8 Hillsdale NY   960K GREENWAY COMMUNICATIONS, LLC 134   2026-05-07   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.