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: BRSTTNXA9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-360 0 Abingdon VA 145J TERRA NOVA TELECOM INC. 956   2026-04-23   
276-446 6 Sylvatus VA 145J TERRA NOVA TELECOM INC. 956   2026-05-02   
276-625 4 Wytheville VA 145J TERRA NOVA TELECOM INC. 956   2026-07-06   
276-755 9 Cana VA 145J TERRA NOVA TELECOM INC. 956   2026-07-06   
423-992 A Bristol TN 145J TERRA NOVA TELECOM INC. 956   2025-10-09   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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