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: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-315 A Beardstown IL   516C AT&T CORP. 376   2025-08-22   
447-315 7 Beardstown IL   516C AT&T CORP. 376   2025-08-22   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.