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: 232

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-232 A Richland TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
430-232 2 Richland TX   145J TERRA NOVA TELECOM INC. 552   2025-08-22   
430-232 6 Richland TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-09-16   
430-232 7 Richland TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2017-10-06   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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