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: 358

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-358 A Jackson TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-06-08   
430-358 0 Jackson TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-06-08   

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

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