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: 681 [Rate centres in NPA 681] [Dial plan for NPA 681]

NXX: 690

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-690 A Brandywine WV WLNGWVBG9MD  732J NUSO, LLC 256      
681-690 0 Brandywine WV   449F ONVOY, LLC - WV 256   2021-01-22   
681-690 1 Brandywine WV   449F ONVOY, LLC - WV 256   2021-01-22   
681-690 2 Brandywine WV   080F BANDWIDTH.COM CLEC, LLC - WV 256   2021-03-06   
681-690 3 Brandywine WV   080F BANDWIDTH.COM CLEC, LLC - WV 256   2022-02-14   
681-690 4 Brandywine WV   732J NUSO, LLC 256   2023-03-21   
681-690 5 Brandywine WV   732J NUSO, LLC 256   2024-12-21   
681-690 6 Brandywine WV   624H ONVOY SPECTRUM, LLC 256   2021-06-04   
681-690 8 Brandywine WV   732J NUSO, LLC 256   2024-12-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.