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: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-763 A Huron CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-763 0 Huron CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-763 1 Huron CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728      
559-763 2 Huron CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728      
559-763 3 Huron CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728      
559-763 4 Huron CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-763 5 Huron CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728      
559-763 6 Huron CA FRSNCA01XCZ  516C AT&T CORP. 728      
559-763 7 Huron CA FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728      
559-763 9 Huron 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.