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: 593

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-593 A North Yuba CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2024-01-15   
530-593 0 North Yuba CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2015-08-10   
530-593 1 North Yuba CA   981E BANDWIDTH.COM CLEC, LLC - CA 726   2015-09-20   
530-593 2 North Yuba CA   649C ONVOY, LLC - CA 726   2016-04-03   
530-593 3 North Yuba CA   649C ONVOY, LLC - CA 726   2016-04-03   
530-593 4 North Yuba CA   073H TELNYX LLC 726   2019-10-10   
530-593 6 North Yuba CA   649C ONVOY, LLC - CA 726   2021-07-18   
530-593 8 North Yuba CA   649C ONVOY, LLC - CA 726   2021-08-09   
530-593 9 North Yuba CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2021-05-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.