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: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-780 A Karnes City-Falls City TX KRCYTXKCRS0  9533 SOUTHWESTERN BELL 566      
830-780 0 Karnes City-Falls City TX   145J TERRA NOVA TELECOM INC. 566   2021-01-27   
830-780 1 Karnes City-Falls City TX   9533 SOUTHWESTERN BELL 566      
830-780 2 Karnes City-Falls City TX   9533 SOUTHWESTERN BELL 566      
830-780 3 Karnes City-Falls City TX   9533 SOUTHWESTERN BELL 566      
830-780 4 Karnes City-Falls City TX   9533 SOUTHWESTERN BELL 566      
830-780 5 Karnes City-Falls City TX   9533 SOUTHWESTERN BELL 566      
830-780 6 Karnes City-Falls City TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2016-04-08   
830-780 7 Karnes City-Falls City TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2018-11-18   
830-780 8 Karnes City-Falls City TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2020-10-26   
830-780 9 Karnes City-Falls City TX   903C ONVOY, LLC - TX 566   2021-01-29   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.