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.

NPA: 803 [Rate centres in NPA 803] [Dial plan for NPA 803]

NXX: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-479 A Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 0 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 1 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 2 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 3 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 4 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 5 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 6 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 7 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 8 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-479 9 Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.