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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-380 A Hanford CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-380 0 Hanford CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-380 1 Hanford CA   145J TERRA NOVA TELECOM INC. 728   2021-10-02   
559-380 2 Hanford CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-380 3 Hanford CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-380 4 Hanford CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-380 5 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-03-14   
559-380 6 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2003-09-21   
559-380 7 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-03-14   
559-380 8 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2003-09-21   
559-380 9 Hanford CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2006-08-06   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.