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: 832

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-832 A Portola CA PTOLCA01RS0  9740 PACIFIC BELL 724      
530-832 0 Portola CA   9740 PACIFIC BELL 724      
530-832 1 Portola CA   9740 PACIFIC BELL 724      
530-832 2 Portola CA   649C ONVOY, LLC - CA 724   2019-03-11   
530-832 3 Portola CA   7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 724   2013-03-12   
530-832 4 Portola CA   9740 PACIFIC BELL 724      
530-832 5 Portola CA   9740 PACIFIC BELL 724      
530-832 6 Portola CA   9740 PACIFIC BELL 724      
530-832 7 Portola CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 724   2024-07-22   
530-832 8 Portola CA   981E BANDWIDTH.COM CLEC, LLC - CA 724   2015-08-13   
530-832 9 Portola CA   9740 PACIFIC BELL 724      

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

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