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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-307 1 Laurel Fork VA 793K TWC IP ENABLED SERVICES, LLC 956   2024-03-06   
276-332 5 Saltville VA 793K TWC IP ENABLED SERVICES, LLC 956   2023-10-08   
276-754 A Cana VA 793K TWC IP ENABLED SERVICES, LLC 956      
276-754 4 Cana VA 793K TWC IP ENABLED SERVICES, LLC 956   2013-05-22   
276-966 3 Hillsville VA 793K TWC IP ENABLED SERVICES, LLC 956   2024-03-24   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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