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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-433 A Como TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552      
430-433 0 Como TX DLLSTXRIXYY  318C CEBRIDGE TELECOM TX , L.P. - TX 552   2022-10-23   
430-433 1 Como TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2022-05-15   
430-433 2 Como TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2025-01-20   
430-433 9 Como TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-05-04   

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

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