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: 430 [Rate centres in NPA 430] [Dial plan for NPA 430]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-273 A Oakland TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
430-273 0 Oakland TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-05-04   
430-273 1 Oakland TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2023-09-17   
430-273 2 Oakland TX DLLSTX97X1X  073H TELNYX LLC 552   2020-12-28   
430-273 3 Oakland TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-09-17   
430-273 8 Oakland TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2024-06-24   
430-273 9 Oakland TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2024-11-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.