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: FLRNSCMAX2Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-206 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-229 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-230 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-260 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-433 A Marion SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-453 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-472 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
843-495 A Florence SC 8645 SUNCOM DBA T-MOBILE USA 432      
854-241 A Marion SC 5562 METROPCS, INC. 432      
854-261 A Dillon SC 8645 SUNCOM DBA T-MOBILE USA 432   2024-04-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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