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: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-383 A Corsicana TX   515J IP HORIZON LLC 552   2025-05-29   
430-383 0 Corsicana TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-07-04   
430-383 1 Corsicana TX   515J IP HORIZON LLC 552   2025-05-29   
430-383 2 Corsicana TX   515J IP HORIZON LLC 552   2025-05-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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