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: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-658 A Esparto CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-658 0 Esparto CA   649C ONVOY, LLC - CA 726      
530-658 1 Esparto CA   073H TELNYX LLC 726   2019-10-10   
530-658 2 Esparto CA   649C ONVOY, LLC - CA 726   2006-01-09   
530-658 4 Esparto CA   145J TERRA NOVA TELECOM INC. 726   2023-11-16   
530-658 6 Esparto CA   145J TERRA NOVA TELECOM INC. 726   2024-12-30   
530-658 7 Esparto CA   490J DISH WIRELESS, LLC 726   2023-12-10   
530-658 9 Esparto CA   624H ONVOY SPECTRUM, LLC 726   2023-12-29   

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

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