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: 843 [Rate centres in NPA 843] [Dial plan for NPA 843]

NXX: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-279 A Conway SC FLRNSCMAX6X  829J PAETEC ITEL, LLC 432   2025-02-19   
843-279 0 Conway SC   5258 LEVEL 3 COMMUNICATIONS, LLC - SC 432   2007-11-16   
843-279 1 Conway SC   8645 SUNCOM DBA T-MOBILE USA 432   2023-04-28   
843-279 2 Conway SC   077F BANDWIDTH.COM CLEC, LLC - SC 432   2017-07-20   
843-279 3 Conway SC   548E ONVOY, LLC - SC 432   2018-10-11   
843-279 4 Conway SC   548E ONVOY, LLC - SC 432   2018-10-11   
843-279 5 Conway SC   548E ONVOY, LLC - SC 432   2018-10-11   
843-279 6 Conway SC   635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 432   2012-06-18   
843-279 7 Conway SC   508J CENTURYLINK COMMUNICATIONS, LLC 432   2016-10-15   
843-279 8 Conway SC   548E ONVOY, LLC - SC 432   2019-06-24   
843-279 9 Conway SC   829J PAETEC ITEL, LLC 432      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.