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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-639 A Hanford CA FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-639 0 Hanford CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2007-08-26   
559-639 1 Hanford CA FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-639 2 Hanford CA FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-639 3 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-12-01   
559-639 4 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2009-02-17   
559-639 5 Hanford CA FRSNCA01XMY  258E YMAX COMMUNICATIONS CORP. - CA 728   2009-03-10   
559-639 6 Hanford CA FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2009-08-17   
559-639 7 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2006-07-17   
559-639 8 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2006-07-17   
559-639 9 Hanford CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2006-07-17   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.