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: 274 [Rate centres in NPA 274] [Dial plan for NPA 274]

NXX: 215

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
274-215 A Denmark WI   5562 METROPCS, INC. 350   2025-04-14   
274-215 8 Denmark WI   5562 METROPCS, INC. 350   2025-04-14   
274-215 9 Denmark WI   5562 METROPCS, INC. 350   2025-04-14   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.