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: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-289 A Downieville CA DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 1 Downieville CA DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 2 Downieville CA DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 3 Downieville CA DWNVCA11RS1  9740 PACIFIC BELL 726      
530-289 4 Downieville CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2024-01-09   
530-289 6 Downieville CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-02-24   
530-289 7 Downieville CA   145J TERRA NOVA TELECOM INC. 726   2025-04-08   
530-289 8 Downieville CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2011-07-28   
530-289 9 Downieville CA SCRMCA0108Z  516J TON80 COMMUNICATIONS, LLC 726   2021-10-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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