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: RCHLSCXBCM2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-235 A Lancaster SC 8645 SUNCOM DBA T-MOBILE USA 422   2024-02-09   
803-242 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-246 A Lancaster SC 5562 METROPCS, INC. 422      
803-370 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-371 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-415 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-431 A Fort Mill SC 5562 METROPCS, INC. 422      
803-504 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-579 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-650 A Fort Mill SC 5562 METROPCS, INC. 422      

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

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