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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-420 A Robbins CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
530-420 0 Robbins CA SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726      
530-420 1 Robbins CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-420 2 Robbins CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
530-420 3 Robbins CA SCRMCA01XSZ  073H TELNYX LLC 726   2019-10-10   
530-420 4 Robbins CA SCRMCA0112Z  506J TWILIO INTERNATIONAL, INC. 726   2021-04-12   
530-420 5 Robbins CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-02-24   
530-420 6 Robbins CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2010-02-28   
530-420 7 Robbins CA CHICCA01SMD  981E BANDWIDTH.COM CLEC, LLC - CA 726   2015-05-10   
530-420 8 Robbins CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-420 9 Robbins CA   515J IP HORIZON LLC 726   2006-09-23   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.