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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-552 A Fresno CA FRSNCA01XFZ  508J CENTURYLINK COMMUNICATIONS, LLC 728      
559-552 0 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-12-14   
559-552 1 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-12-14   
559-552 2 Fresno CA FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2021-05-24   
559-552 3 Fresno CA FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2022-03-23   
559-552 4 Fresno CA FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2021-02-11   
559-552 5 Fresno CA FRSNCA01XFZ  508J CENTURYLINK COMMUNICATIONS, LLC 728   2020-11-15   
559-552 6 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-28   
559-552 7 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-28   
559-552 8 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-28   
559-552 9 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.