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: 779

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-779 A Millville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-779 0 Millville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-779 4 Millville CA CHICCA017MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 724      
530-779 6 Millville CA   508J CENTURYLINK COMMUNICATIONS LLC 724   2017-08-23   
530-779 9 Millville CA CHICCA01XMD  7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 724   2019-02-11   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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