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.

Kingsburg, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
559-238 A FRSNCA0113Z  622J SKYE TELECOM LLC DBA SKYETEL 728      
559-238 0 FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-238 1 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-08-13   
559-238 2 FRSNCA0113Z  622J SKYE TELECOM LLC DBA SKYETEL 728   2021-11-01   
559-238 3 FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728   2021-07-23   
559-238 4 FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-238 5 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2003-11-01   
559-238 6 FRSNCA0112Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728   2005-12-05   
559-238 7 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2010-09-19   
559-238 8 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   
559-238 9 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   
559-419 A FRSNCA01XYX  4129 O1 COMMUNICATIONS, INC. - CA 728      
559-419 0 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2014-03-24   
559-419 1   515J IP HORIZON LLC 728      
559-419 2   515J IP HORIZON LLC 728      
559-419 3 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-10-08   
559-419 5 FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2008-04-28   
559-419 6 FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2010-06-03   
559-419 9 FRSNCA0103Z  318J COMCAST IP PHONE, LLC 728   2006-09-30   
559-503 A FRSNCA01XNY  9748 AMERICAN MESSAGING SERVICES, LLC 728      
559-617 A FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-617 0 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2022-01-14   
559-617 2 FRSNCA0103Z  318J COMCAST IP PHONE, LLC 728   2022-06-25   
559-617 4   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2024-02-17   
559-617 5 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2023-11-03   
559-617 6 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2023-11-03   
559-617 7 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2023-11-03   
559-617 8 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2023-11-03   
559-617 9 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2023-11-03   
559-634 A FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-634 0 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2015-05-03   
559-634 1 FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-634 3 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2011-09-27   
559-634 4 FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-634 5 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2019-03-16   
559-634 6 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2019-03-16   
559-634 7   145J TERRA NOVA TELECOM INC. 728   2021-10-02   
559-634 8 FRSNCA01XOY  649C ONVOY, LLC - CA 728   2014-01-10   
559-634 9 FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2013-11-08   
559-859 A FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 0 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 1 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 2 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 3 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 4 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 5 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 6 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 7 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 8 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-859 9 FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2003-04-08   

1 2 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.