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: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-370 A Three Rivers CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-370 0 Three Rivers CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-370 1 Three Rivers CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2011-07-04   
559-370 2 Three Rivers CA FRSNCA01TMD  939H COMMIO, LLC 728   2022-11-24   
559-370 3 Three Rivers CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2013-03-17   
559-370 4 Three Rivers CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2005-08-02   
559-370 5 Three Rivers CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2014-04-14   
559-370 6 Three Rivers CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2014-08-16   
559-370 8 Three Rivers CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2015-08-14   
559-370 9 Three Rivers CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2021-07-22   

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

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