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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-371 8 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2005-06-03   
803-389 1 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2004-12-16   
803-389 2 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2004-12-16   
803-412 7 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2008-02-21   
803-412 9 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2007-07-07   
803-415 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-415 6 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2009-12-04   
803-415 8 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2009-04-11   
803-415 9 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2009-04-11   
803-431 A Fort Mill SC 5562 METROPCS, INC. 422      
803-431 0 Fort Mill SC 5562 METROPCS, INC. 422   2008-02-16   
803-431 1 Fort Mill SC 5562 METROPCS, INC. 422      
803-431 3 Fort Mill SC 5562 METROPCS, INC. 422      
803-431 4 Fort Mill SC 5562 METROPCS, INC. 422   2011-01-12   
803-431 5 Fort Mill SC 5562 METROPCS, INC. 422   2011-01-12   
803-431 6 Fort Mill SC 5562 METROPCS, INC. 422      
803-504 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-504 0 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2013-12-14   
803-504 2 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2013-12-14   
803-504 5 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2013-03-03   
803-504 6 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2013-03-03   
803-504 7 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2013-03-03   
803-504 8 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2013-03-03   
803-504 9 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2012-12-01   
803-524 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 0 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 1 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 2 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 3 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 4 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 5 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 6 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 7 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 8 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-524 9 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-554 8 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2007-07-07   
803-554 9 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2007-01-02   
803-558 3 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2022-01-10   
803-558 6 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2022-01-10   
803-558 7 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2022-01-10   
803-579 A Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422      
803-579 2 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2011-10-31   
803-579 3 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2011-10-31   
803-579 5 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2011-10-31   
803-579 7 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2012-04-21   
803-579 8 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2016-03-14   
803-579 9 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2010-01-08   
803-616 4 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2011-02-15   
803-616 5 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2011-02-15   
803-616 6 Rock Hill SC 8645 SUNCOM DBA T-MOBILE USA 422   2011-02-15   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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