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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-404 A Coalinga CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-404 0 Coalinga CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2017-03-23   
559-404 1 Coalinga CA   515J IP HORIZON LLC 728      
559-404 2 Coalinga CA   515J IP HORIZON LLC 728      
559-404 3 Coalinga CA   649C ONVOY, LLC - CA 728   2021-07-22   
559-404 5 Coalinga CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728   2013-05-10   
559-404 6 Coalinga CA   649C ONVOY, LLC - CA 728   2013-03-15   
559-404 7 Coalinga CA   145J TERRA NOVA TELECOM INC. 728   2026-01-04   
559-404 8 Coalinga CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2015-12-17   
559-404 9 Coalinga CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2015-12-17   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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