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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
276-304 A Davenport VA RONKVALKXGX  138E ONVOY, LLC - VA 244      
276-304 0 Davenport VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 244   2025-03-01   
276-304 1 Davenport VA RONKVALKXLZ  793K TWC IP ENABLED SERVICES, LLC 244   2023-10-08   
276-304 3 Davenport VA RONKVALKXGX  138E ONVOY, LLC - VA 244   2023-09-16   
276-304 9 Davenport VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 244   2025-03-25   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.