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: 819

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-819 A Colfax: Colfax DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
530-819 0 Colfax: Colfax DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-01-13   
530-819 6 Colfax: Colfax DA CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2024-10-23   
530-819 7 Colfax: Colfax DA CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2024-10-23   
530-819 8 Colfax: Colfax DA CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726   2024-10-23   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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