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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-374 A Hudson (Cherokee) TX MTENTXXA0MD  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554   2024-12-15   
430-374 1 Hudson (Cherokee) TX MTENTXXA0MD  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554   2024-12-15   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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