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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-770 A Jourdanton TX JRTNTX12RS0  776A VTX COMMUNICATIONS, LLC 566      
830-770 0 Jourdanton TX JRTNTX12RS0  776A VTX COMMUNICATIONS, LLC 566   2012-05-21   
830-770 1 Jourdanton TX JRTNTX12RS0  776A VTX COMMUNICATIONS, LLC 566   2016-04-20   
830-770 6 Jourdanton TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566   2021-12-04   
830-770 7 Jourdanton TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566   2021-12-04   
830-770 8 Jourdanton TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2014-05-08   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.