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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-424 A Mendota CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-424 0 Mendota CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-424 1 Mendota CA   515J IP HORIZON LLC 728      
559-424 2 Mendota CA   515J IP HORIZON LLC 728      
559-424 3 Mendota CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-424 4 Mendota CA FRSNCA01XMZ  073H TELNYX LLC 728      
559-424 5 Mendota CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-424 6 Mendota CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728      
559-424 7 Mendota CA FRSNCA0112Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728      
559-424 8 Mendota CA FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728      
559-424 9 Mendota CA FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.