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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-306 A Mount Sterling IL   5562 METROPCS, INC. 376   2025-04-14   
447-306 7 Mount Sterling IL   5562 METROPCS, INC. 376   2025-04-14   
447-306 8 Mount Sterling IL   5562 METROPCS, INC. 376   2025-04-14   
447-306 9 Mount Sterling IL   5562 METROPCS, INC. 376   2025-04-14   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.