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: CLMASCSN13Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-477 2 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2007-02-15   
803-477 4 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2006-03-31   
803-477 5 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2006-03-31   
803-477 6 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2004-02-04   
803-477 7 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2004-02-04   
803-477 8 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2004-02-04   
803-479 A Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 0 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 1 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 2 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 3 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 4 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 5 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 6 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 7 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 8 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-479 9 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-484 8 Bishopville SC 5562 METROPCS, INC. 434   2021-04-28   
803-490 4 Lexington SC 5562 METROPCS, INC. 434   2016-03-23   
803-490 5 Lexington SC 5562 METROPCS, INC. 434   2016-02-18   
803-490 8 Lexington SC 5562 METROPCS, INC. 434   2015-03-26   
803-497 0 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2010-10-10   
803-497 1 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2010-10-10   
803-497 2 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2010-10-10   
803-497 4 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2011-04-11   
803-513 A Columbia SC 5562 METROPCS, INC. 434      
803-513 0 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-513 1 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-513 2 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-513 3 Columbia SC 5562 METROPCS, INC. 434      
803-513 4 Columbia SC 5562 METROPCS, INC. 434      
803-513 5 Columbia SC 5562 METROPCS, INC. 434      
803-513 6 Columbia SC 5562 METROPCS, INC. 434      
803-513 7 Columbia SC 5562 METROPCS, INC. 434      
803-513 8 Columbia SC 5562 METROPCS, INC. 434      
803-513 9 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-518 A Columbia SC 5562 METROPCS, INC. 434      
803-518 0 Columbia SC 5562 METROPCS, INC. 434      
803-518 1 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-518 2 Columbia SC 5562 METROPCS, INC. 434      
803-518 3 Columbia SC 5562 METROPCS, INC. 434      
803-518 4 Columbia SC 5562 METROPCS, INC. 434      
803-518 5 Columbia SC 5562 METROPCS, INC. 434      
803-518 6 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      
803-518 7 Columbia SC 5562 METROPCS, INC. 434      
803-518 8 Columbia SC 5562 METROPCS, INC. 434   2004-12-19   
803-518 9 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2005-02-15   
803-521 8 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2011-04-11   
803-528 2 Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434   2008-05-29   
803-529 A Columbia SC 8645 SUNCOM DBA T-MOBILE USA 434      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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