Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-07-18   
530-287 1 Alleghany CA ALGHCA11RS0  9740 PACIFIC BELL 726      
530-287 2 Alleghany CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-30   
530-287 3 Alleghany CA ALGHCA11RS0  9740 PACIFIC BELL 726      
530-287 4 Alleghany CA WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2005-07-23   
530-287 5 Alleghany CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2006-03-10   
530-287 6 Alleghany CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-30   
530-287 7 Alleghany CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2007-05-25   
530-287 8 Alleghany CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2012-12-30   
530-287 9 Alleghany CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-08-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.