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: WSTROHXAX9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
234-204 A Holmesville OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
234-437 A Sterling OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
234-595 A Glenmont OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
234-635 A Killbuck OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
234-657 A Nashville OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
330-789 A Shreve OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
330-946 A Fredericksburg OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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