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: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-370 A Biggs CA CHICCACWCM1  6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 0 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 1 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 2 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 3 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 4 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 5 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 6 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 7 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 8 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724      
530-370 9 Biggs CA   6010 NEW CINGULAR WIRELESS PCS, LLC 724   2004-02-29   

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

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