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: 757 [Rate centres in NPA 757] [Dial plan for NPA 757]

NXX: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
757-571 A Franklin VA   793K TWC IP ENABLED SERVICES, LLC 252   2025-03-26   
757-571 0 Franklin VA   793K TWC IP ENABLED SERVICES, LLC 252   2018-09-22   
757-571 1 Franklin VA CHSKVAGU0MD  5562 METROPCS, INC. 252   2019-01-27   
757-571 3 Franklin VA NRFLVABSXTY  138E ONVOY, LLC - VA 252   2021-05-26   
757-571 4 Franklin VA NRFLVABN0MD  073H TELNYX LLC 252   2024-12-13   
757-571 5 Franklin VA NRFLVABSXTY  138E ONVOY, LLC - VA 252   2020-11-07   
757-571 7 Franklin VA NRFLVABSXTY  138E ONVOY, LLC - VA 252   2020-11-07   
757-571 8 Franklin VA NRFLVAJYDS0  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 252   2021-01-14   
757-571 9 Franklin VA NRFLVABSXUY  079F BANDWIDTH.COM CLEC, LLC - VA 252   2019-05-30   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.