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: 864 [Rate centres in NPA 864] [Dial plan for NPA 864]

NXX: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
864-831 A Union SC GNVLSCDT53Z  8645 SUNCOM DBA T-MOBILE USA 430      
864-831 0 Union SC GNVLSCDTXJX  548E ONVOY, LLC - SC 430   2023-09-04   
864-831 2 Union SC GNVLSCDT64Z  624H ONVOY SPECTRUM, LLC 430   2024-12-05   
864-831 3 Union SC GNVLSCDT64Z  624H ONVOY SPECTRUM, LLC 430   2024-12-05   
864-831 5 Union SC GNVLSCMCDS1  098H PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 430   2024-06-24   
864-831 6 Union SC GNVLSCDT53Z  8645 SUNCOM DBA T-MOBILE USA 430   2023-11-24   
864-831 7 Union SC GNVLSCDT53Z  8645 SUNCOM DBA T-MOBILE USA 430   2023-11-24   
864-831 9 Union SC GNVLSCDT53Z  8645 SUNCOM DBA T-MOBILE USA 430   2023-09-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.