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: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
430-212 A Frost TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
430-212 7 Frost TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2015-03-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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