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: CRCHTXTUXPZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-353 A Flour Bluff TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-427 A Yoakum TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-452 A Corpus Christi TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-490 A Orange Grove TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-500 A Corpus Christi TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-589 A Padre Island TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-678 A Mathis TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   
361-933 A Robstown TX 793K TWC IP ENABLED SERVICES, LLC 564   2025-01-09   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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