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: CRCHTXTUXVY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-232 A Corpus Christi TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 564   2024-12-13   
361-232 5 Corpus Christi TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 564   2004-08-22   
361-360 A Corpus Christi TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 564      
361-360 2 Corpus Christi TX 8434 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 564   2014-04-20   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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