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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-314 A Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-314 0 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-314 1 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-314 2 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-314 3 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-314 4 Clovis CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2004-01-06   
559-314 5 Clovis CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2004-10-01   
559-314 6 Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-314 8 Clovis CA   318J COMCAST IP PHONE LLC 728   2020-10-12   
559-314 9 Clovis CA   318J COMCAST IP PHONE LLC 728   2020-10-12   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.