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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-643 A West Andrews SC   793K TWC IP ENABLED SERVICES, LLC 432      
843-643 0 West Andrews SC   793K TWC IP ENABLED SERVICES, LLC 432      
843-643 5 West Andrews SC NKGSSCXA0MD  527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 432   2017-10-31   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.