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.
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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 DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 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: Sun, 26 Jan 2025 15:59:20 UTC

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