Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-306 A Porterville CA FRSNCA72DMD  6664 SPRINT SPECTRUM L.P. 728      
559-306 0 Porterville CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-306 1 Porterville CA FRSNCA01X9Y  7453 U.S. TELEPACIFIC CORP. - CA 728   2005-12-05   
559-306 2 Porterville CA FRSOCAYM4MD  6529 T-MOBILE USA, INC. 728   2006-05-06   
559-306 3 Porterville CA FRSNCAQRDS0  7128 BROOKS FIBER COMMUNICATIONS OF CALIFORNIA - CA 728   2007-02-12   
559-306 4 Porterville CA FRSNCA72DMD  6664 SPRINT SPECTRUM L.P. 728   2007-11-01   
559-306 5 Porterville CA FRSNCA016MD  7421 AT&T LOCAL 728   2007-11-10   
559-306 6 Porterville CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2015-02-16   
559-306 7 Porterville CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2008-03-06   
559-306 8 Porterville CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2011-06-24   
559-306 9 Porterville CA FRSNCA72DMD  6664 SPRINT SPECTRUM L.P. 728   2006-02-08   

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

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