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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-270 A Poth TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566      
830-270 0 Poth TX   145J TERRA NOVA TELECOM INC. 566      
830-270 1 Poth TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566      
830-270 2 Poth TX SNANTXCAHMD  073H TELNYX LLC 566      
830-270 6 Poth TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
830-270 7 Poth TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-270 8 Poth TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566      
830-270 9 Poth TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.