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.

Big Rock, VA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
276-530 A BGRKVAXARL0  4337 VERIZON SOUTH, INC. - VA 932      
276-530 0   793K TWC IP ENABLED SERVICES, LLC 932   2013-06-20   
276-530 1   138E ONVOY, LLC - VA 932   2018-12-16   
276-530 2   138E ONVOY, LLC - VA 932   2019-06-09   
276-530 3   138E ONVOY, LLC - VA 932   2018-10-25   
276-530 4   138E ONVOY, LLC - VA 932   2019-06-09   
276-530 5   138E ONVOY, LLC - VA 932   2020-11-06   
276-530 6   138E ONVOY, LLC - VA 932   2020-11-06   
276-530 7   4337 VERIZON SOUTH, INC. - VA 932      
276-530 8   138E ONVOY, LLC - VA 932   2018-12-16   
276-530 9   4337 VERIZON SOUTH, INC. - VA 932      
276-576 A BLFDWVXAXRX  624H ONVOY SPECTRUM, LLC 932      
276-576 0   073H TELNYX LLC 932   2023-07-29   
276-576 1   138E ONVOY, LLC - VA 932   2023-08-12   
276-576 5   624H ONVOY SPECTRUM, LLC 932   2023-07-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.