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: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-287 A Alleghany CA ALGHCA11RS0  9740 PACIFIC BELL 726      
530-287 0 Alleghany CA   649C ONVOY, LLC - CA 726   2021-07-18   
530-287 1 Alleghany CA   9740 PACIFIC BELL 726      
530-287 2 Alleghany CA   649C ONVOY, LLC - CA 726   2012-12-30   
530-287 3 Alleghany CA   9740 PACIFIC BELL 726      
530-287 4 Alleghany CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2005-07-23   
530-287 5 Alleghany CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2006-03-10   
530-287 6 Alleghany CA   649C ONVOY, LLC - CA 726   2012-12-30   
530-287 7 Alleghany CA   649C ONVOY, LLC - CA 726   2007-05-25   
530-287 8 Alleghany CA   649C ONVOY, LLC - CA 726   2012-12-30   
530-287 9 Alleghany CA   649C ONVOY, LLC - CA 726   2021-08-09   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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