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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-991 A Tulare CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-991 0 Tulare CA   649C ONVOY, LLC - CA 728   2019-02-24   
559-991 1 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2017-10-21   
559-991 2 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2017-10-21   
559-991 3 Tulare CA   5562 METROPCS, INC. 728   2013-11-22   
559-991 4 Tulare CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728      
559-991 5 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2009-02-16   
559-991 6 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2008-10-20   
559-991 7 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2018-03-28   
559-991 8 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2017-05-08   
559-991 9 Tulare CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2017-05-08   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.