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: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-603 A Bangor CA CHICCA01XQX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724      
530-603 0 Bangor CA CHICCA01XFX  624H ONVOY SPECTRUM, LLC 724   2023-12-17   
530-603 1 Bangor CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 724   2009-02-23   
530-603 5 Bangor CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2019-03-11   
530-603 6 Bangor CA CHICCA01XCX  649C ONVOY, LLC - CA 724   2019-03-11   
530-603 7 Bangor CA CHICCA01XQX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 724   2007-02-02   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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