Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Porterville, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
559-920 2 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 3 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 4 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 5 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 6 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 7 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 8 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-920 9 FRSNCAQRAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2010-08-02   
559-982 A FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2026-07-06   
559-982 0 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2026-07-06   
559-982 1 FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2026-07-10   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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