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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-403 A Oroville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-403 0 Oroville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724   2009-05-07   
530-403 1 Oroville CA   515J IP HORIZON LLC 724      
530-403 2 Oroville CA   515J IP HORIZON LLC 724      
530-403 3 Oroville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724   2009-12-04   
530-403 4 Oroville CA   515J IP HORIZON LLC 724      
530-403 5 Oroville CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2005-08-02   
530-403 6 Oroville CA   5562 METROPCS, INC. 724   2005-07-30   
530-403 7 Oroville CA   5562 METROPCS, INC. 724   2004-09-01   
530-403 8 Oroville CA   5562 METROPCS, INC. 724   2005-01-26   
530-403 9 Oroville CA   5562 METROPCS, INC. 724   2004-01-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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