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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-270 A Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 0 Grass Valley: Main DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
530-270 1 Grass Valley: Main DA CA SCRMCA01XQY  9262 UTILITY TELECOM GROUP, LLC - CA 726      
530-270 2 Grass Valley: Main DA CA WSCRCAKE0MD  5562 METROPCS, INC. 726   2021-09-26   
530-270 3 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 4 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 5 Grass Valley: Main DA CA SCRMCA0112Z  506J TWILIO INTERNATIONAL, INC. 726   2021-04-12   
530-270 6 Grass Valley: Main DA CA WSCRCAKE0MD  6529 T-MOBILE USA, INC. 726   2020-08-01   
530-270 7 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 8 Grass Valley: Main DA CA SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-07-18   
530-270 9 Grass Valley: Main DA CA SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2010-02-28   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.