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: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-944 A Willow Creek CA CHICCACW8MD  965H FRACTEL, LLC 724      
530-944 0 Willow Creek CA   649C ONVOY, LLC - CA 724   2021-07-19   
530-944 1 Willow Creek CA   649C ONVOY, LLC - CA 724   2021-08-09   
530-944 4 Willow Creek CA   965H FRACTEL, LLC 724   2021-05-07   

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

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