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.

NPA: 276 [Rate centres in NPA 276] [Dial plan for NPA 276]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
276-320 A Meadowview VA JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-04-09   
276-320 0 Meadowview VA   145J TERRA NOVA TELECOM INC. 956   2025-10-11   
276-320 3 Meadowview VA JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-04-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.