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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-556 A Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-556 0 Tulare CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2014-05-13   
559-556 1 Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-10-08   
559-556 2 Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2022-04-26   
559-556 3 Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-10-23   
559-556 4 Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-08-27   
559-556 5 Tulare CA FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2015-02-20   
559-556 6 Tulare CA FRSNCA0103Z  318J COMCAST IP PHONE, LLC 728   2014-09-04   
559-556 7 Tulare CA FRSNCA01XFZ  508J CENTURYLINK COMMUNICATIONS, LLC 728   2014-12-16   
559-556 8 Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-07-12   
559-556 9 Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-05-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.