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: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 804

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-804 A Shawsville VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244      
540-804 4 Shawsville VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244   2023-10-07   
540-804 7 Shawsville VA FLYDVAXADS2  544A CITIZENS TELEPHONE COOPERATIVE - VA 244   2024-05-09   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.