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: 793

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-793 A Porterville CA PTVLCA11DS0  9740 PACIFIC BELL 728      
559-793 0 Porterville CA   9740 PACIFIC BELL 728      
559-793 1 Porterville CA   9740 PACIFIC BELL 728      
559-793 2 Porterville CA   9740 PACIFIC BELL 728      
559-793 3 Porterville CA   9740 PACIFIC BELL 728      
559-793 4 Porterville CA   516C AT&T CORP. 728   2008-04-15   
559-793 5 Porterville CA   5562 METROPCS, INC. 728   2018-04-22   
559-793 6 Porterville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2008-09-28   
559-793 7 Porterville CA   649C ONVOY, LLC - CA 728   2011-09-27   
559-793 8 Porterville CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728      
559-793 9 Porterville CA   9740 PACIFIC BELL 728      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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