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: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-425 A Stonyford CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-425 0 Stonyford CA   649C ONVOY, LLC - CA 724      
530-425 1 Stonyford CA   073H TELNYX LLC 724   2018-07-18   
530-425 2 Stonyford CA   939H COMMIO, LLC 724   2022-06-11   
530-425 4 Stonyford CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-425 5 Stonyford CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724   2005-08-01   
530-425 6 Stonyford CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2010-08-30   
530-425 7 Stonyford CA   649C ONVOY, LLC - CA 724   2016-03-05   
530-425 8 Stonyford CA   624H ONVOY SPECTRUM, LLC 724   2023-12-16   
530-425 9 Stonyford CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2014-03-24   

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

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