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: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-530 A Tennessee Colony TX ATHNTXXATMD  903C ONVOY, LLC - TX 552      
430-530 1 Tennessee Colony TX   793K TWC IP ENABLED SERVICES, LLC 552   2023-07-12   
430-530 3 Tennessee Colony TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2021-02-17   
430-530 4 Tennessee Colony TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2021-04-12   
430-530 5 Tennessee Colony TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2021-04-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.