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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-431 A Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422      
803-431 0 Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422   2008-02-16   
803-431 1 Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422      
803-431 2 Fort Mill SC CHRMNC72BMD  5344 LEVEL 3 TELECOM OF SOUTH CAROLINA, LLC - SC 422   2007-01-02   
803-431 3 Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422      
803-431 4 Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422   2011-01-12   
803-431 5 Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422   2011-01-12   
803-431 6 Fort Mill SC RCHLSCXBCM2  5562 METROPCS, INC. 422      
803-431 7 Fort Mill SC   793K TWC IP ENABLED SERVICES, LLC 422   2009-04-10   
803-431 8 Fort Mill SC CHRMNC72BMD  5344 LEVEL 3 TELECOM OF SOUTH CAROLINA, LLC - SC 422   2008-06-25   
803-431 9 Fort Mill SC CHRLNCCAYBX  8645 SUNCOM DBA T-MOBILE USA 422      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.