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: RONKVALKXLZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-304 1 Davenport VA 793K TWC IP ENABLED SERVICES, LLC 244   2023-10-08   
276-657 1 Haysi VA 793K TWC IP ENABLED SERVICES, LLC 244   2023-10-08   
276-786 1 Clinchco VA 793K TWC IP ENABLED SERVICES, LLC 244   2023-10-08   
276-883 4 Lebanon VA 793K TWC IP ENABLED SERVICES, LLC 244   2023-10-08   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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