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: 384

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-384 A Hallsville TX   903C ONVOY, LLC - TX 554   2025-05-30   
430-384 0 Hallsville TX   903C ONVOY, LLC - TX 554   2025-05-30   
430-384 1 Hallsville TX   903C ONVOY, LLC - TX 554   2025-10-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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