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: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-742 A Riverdale CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-742 0 Riverdale CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-742 1 Riverdale CA FRSNCA01XUZ  624H ONVOY SPECTRUM, LLC 728   2024-01-03   
559-742 2 Riverdale CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-742 4 Riverdale CA FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2005-08-02   
559-742 7 Riverdale CA FRSNCA01XXZ  145J TERRA NOVA TELECOM INC. 728   2024-12-30   
559-742 8 Riverdale CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2019-02-24   
559-742 9 Riverdale CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2019-02-24   

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

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