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: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-921 A Laton CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-921 0 Laton CA FRSNCA01DS5  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728      
559-921 1 Laton CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-921 2 Laton CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-921 4 Laton CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728      
559-921 7 Laton CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-921 8 Laton CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-921 9 Laton CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2015-05-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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