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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: CRCHTXTUXWY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-347 A Taft TX 508J CENTURYLINK COMMUNICATIONS, LLC 564      
361-352 A Mirando City TX 508J CENTURYLINK COMMUNICATIONS, LLC 564      
361-414 A Corpus Christi TX 508J CENTURYLINK COMMUNICATIONS, LLC 564      
361-417 A Concepcion TX 508J CENTURYLINK COMMUNICATIONS, LLC 564      
361-831 A Flatonia TX 508J CENTURYLINK COMMUNICATIONS, LLC 564      
361-978 A Encino TX 508J CENTURYLINK COMMUNICATIONS, LLC 564      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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