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: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 516

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-516 A Triangle VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-516 0 Triangle VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   
571-516 1 Triangle VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-01   
571-516 2 Triangle VA BTVLMD12CM9  5562 METROPCS, INC. 236   2022-01-07   
571-516 3 Triangle VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2022-02-13   
571-516 4 Triangle VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-03-13   
571-516 5 Triangle VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-12-19   
571-516 6 Triangle VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-12-19   
571-516 7 Triangle VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-01-20   
571-516 8 Triangle VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-01-20   
571-516 9 Triangle VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-12-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.