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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-290 A Orangeburg SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      
803-290 0 Orangeburg SC   5562 METROPCS, INC. 434      
803-290 1 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 2 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 3 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 4 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 5 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 6 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 7 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 8 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      
803-290 9 Orangeburg SC   8645 SUNCOM DBA T-MOBILE USA 434      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.