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: 729

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-729 A Hornbrook CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-729 0 Hornbrook CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-729 1 Hornbrook CA   073H TELNYX LLC 724   2018-07-10   
530-729 2 Hornbrook CA   981E BANDWIDTH.COM CLEC, LLC - CA 724      
530-729 3 Hornbrook CA   649C ONVOY, LLC - CA 724   2021-07-18   
530-729 4 Hornbrook CA   649C ONVOY, LLC - CA 724   2017-04-28   
530-729 5 Hornbrook CA   649C ONVOY, LLC - CA 724   2019-08-08   
530-729 6 Hornbrook CA   649C ONVOY, LLC - CA 724   2021-08-09   
530-729 7 Hornbrook CA   649C ONVOY, LLC - CA 724   2019-08-08   
530-729 8 Hornbrook CA   516C AT&T CORP. 724   2025-01-08   
530-729 9 Hornbrook CA   939H COMMIO, LLC 724   2022-06-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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