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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-399 A Tawakoni TX DLLSTX97X5X  965H FRACTEL, LLC 552      
430-399 0 Tawakoni TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-10-31   
430-399 1 Tawakoni TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-05-04   
430-399 7 Tawakoni TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2024-03-15   
430-399 8 Tawakoni TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2022-02-04   
430-399 9 Tawakoni TX DLLSTX97X5X  965H FRACTEL, LLC 552   2021-05-03   

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

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