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: 219 [Rate centres in NPA 219] [Dial plan for NPA 219]

NXX: 372

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
219-372 A Whiting IN CHCGIL24DS6  097D ONVOY, LLC - IN 358   2024-04-22   
219-372 0 Whiting IN CHCGIL24DS6  097D ONVOY, LLC - IN 358   2024-04-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.