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: 241

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-241 A Deadwood TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
430-241 0 Deadwood TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
430-241 1 Deadwood TX LGVWTXPLXZX  073H TELNYX LLC 554   2021-03-12   
430-241 2 Deadwood TX LGVWTX060MD  939H COMMIO, LLC 554   2022-12-12   
430-241 8 Deadwood TX   515J IP HORIZON LLC 554   2021-06-05   

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

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