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: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-330 A Madera CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728      
559-330 0 Madera CA FRSNCA01XJY  9262 UTILITY TELECOM GROUP, LLC - CA 728   2015-10-16   
559-330 1 Madera CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2016-07-28   
559-330 2 Madera CA FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2016-09-17   
559-330 3 Madera CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2016-11-12   
559-330 4 Madera CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-08-16   
559-330 5 Madera CA FRSOCAYM6MD  5562 METROPCS, INC. 728   2018-06-01   
559-330 6 Madera CA FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2018-10-20   
559-330 7 Madera CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2016-10-08   
559-330 8 Madera CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2016-10-08   
559-330 9 Madera CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2015-08-16   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.