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: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-453 A Nicolaus CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2024-01-21   
530-453 0 Nicolaus CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-453 5 Nicolaus CA   515J IP HORIZON LLC 726   2003-10-29   
530-453 6 Nicolaus CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2013-03-11   
530-453 7 Nicolaus CA SCRMCA01XSZ  073H TELNYX LLC 726   2019-10-10   
530-453 9 Nicolaus CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2015-08-10   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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