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: 834

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-834 A Grass Valley: Main DA CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726      
530-834 0 Grass Valley: Main DA CA SCRMCA0101Z  624H ONVOY SPECTRUM, LLC 726      
530-834 1 Grass Valley: Main DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726      
530-834 7 Grass Valley: Main DA CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726      
530-834 8 Grass Valley: Main DA CA SCRMCA0121Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 726      
530-834 9 Grass Valley: Main DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.