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.

Hanford, CA

1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
559-212 A FRSNCA0112Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728      
559-212 0 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2010-04-11   
559-212 1 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-11-10   
559-212 2 FRSNCA0112Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728      
559-212 3 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2012-11-25   
559-212 4 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2009-01-14   
559-212 5 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-02-19   
559-212 6   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2025-03-10   
559-212 7 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-03-14   
559-212 8 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-03-14   
559-212 9 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-11-10   
559-309 A FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-309 0 FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-309 1 FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728   2005-04-17   
559-309 2 FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-309 3 FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-309 4 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2010-02-16   
559-309 5 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2008-09-18   
559-309 6 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2010-02-16   
559-309 7 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2009-09-07   
559-309 8 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2009-09-07   
559-309 9 FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-357 A FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2024-05-05   
559-357 0 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2024-05-05   
559-357 1 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2024-08-02   
559-357 2 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2025-11-23   
559-357 3 FRSNCA0103Z  318J COMCAST IP PHONE, LLC 728   2024-05-06   
559-357 4 FRSNCA0103Z  318J COMCAST IP PHONE, LLC 728   2024-05-06   
559-357 5 FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728   2025-01-22   
559-357 6 FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728   2024-08-27   
559-357 7   981E BANDWIDTH.COM CLEC, LLC - CA 728   2026-06-06   
559-357 8 FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2024-06-14   
559-357 9 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2024-05-06   
559-362 A FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 0 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 1 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 2 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 3 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 4 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 5 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 6 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 7 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-362 8 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2003-06-11   
559-362 9 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2003-06-11   
559-380 A FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-380 0 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-380 1   981E BANDWIDTH.COM CLEC, LLC - CA 728   2025-10-18   
559-380 2 FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-380 3 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-380 4 FRSNCA01XOY  649C ONVOY, LLC - CA 728      

1 2 3 4 5 6 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.