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: LKCYSCXA39A

Remotes:

Switch Switch name Switch type
OLNTSCXARS1  OLANTA  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-394 A Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      
843-956 A Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      
843-956 0 Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      
843-956 1 Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      
843-956 2 Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      
843-956 8 Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      
843-956 9 Lake City SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 432      

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

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