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: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-930 A Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
540-930 0 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-07   
540-930 1 Stafford VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-21   
540-930 2 Stafford VA VINNVACBAMD  515J IP HORIZON LLC 236   2024-12-26   
540-930 3 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-07   
540-930 4 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-12-26   
540-930 5 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-12-26   
540-930 6 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2021-02-18   
540-930 7 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2021-02-18   
540-930 8 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2021-02-18   
540-930 9 Stafford VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-07   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.