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.

Switch: NKGSSCXAAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-355 A Kingstree SC 4255 FTC DIVERSIFIED SERVICES, INC. 432      
843-370 A Olanta SC 4255 FTC DIVERSIFIED SERVICES, INC. 432      
843-374 A Lake City SC 4255 FTC DIVERSIFIED SERVICES, INC. 432      
843-551 A Hemingway SC 4255 FTC DIVERSIFIED SERVICES, INC. 432      
843-677 A Johnsonville SC 4255 FTC DIVERSIFIED SERVICES, INC. 432      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.