Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-617 A Live Oak CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726      
530-617 0 Live Oak CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2009-05-27   
530-617 1 Live Oak CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-02-24   
530-617 2 Live Oak CA   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2008-03-24   
530-617 3 Live Oak CA   649C ONVOY, LLC - CA 726   2013-12-02   
530-617 4 Live Oak CA   649C ONVOY, LLC - CA 726   2012-12-30   
530-617 5 Live Oak CA   516C AT&T CORP. 726   2011-05-27   
530-617 6 Live Oak CA   649C ONVOY, LLC - CA 726   2013-03-11   
530-617 7 Live Oak CA   649C ONVOY, LLC - CA 726   2010-07-19   
530-617 8 Live Oak CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726   2013-11-02   
530-617 9 Live Oak CA   649C ONVOY, LLC - CA 726   2013-12-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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