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: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-703 A Oroville CA CHICCA01RMD  6529 T-MOBILE USA, INC. 724      
530-703 0 Oroville CA   6529 T-MOBILE USA, INC. 724   2022-03-10   
530-703 1 Oroville CA   6529 T-MOBILE USA, INC. 724   2022-03-10   
530-703 2 Oroville CA   649C ONVOY, LLC - CA 724   2021-07-18   
530-703 3 Oroville CA   649C ONVOY, LLC - CA 724   2021-07-18   
530-703 4 Oroville CA   649C ONVOY, LLC - CA 724   2021-07-18   
530-703 5 Oroville CA   649C ONVOY, LLC - CA 724   2021-07-18   
530-703 6 Oroville CA   649C ONVOY, LLC - CA 724   2021-08-09   
530-703 7 Oroville CA   6529 T-MOBILE USA, INC. 724   2021-09-11   
530-703 8 Oroville CA   6529 T-MOBILE USA, INC. 724   2021-09-11   
530-703 9 Oroville CA   6529 T-MOBILE USA, INC. 724   2021-02-06   

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

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