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: 740

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-740 A Columbia SC IRMOSCAP2MD  8645 SUNCOM DBA T-MOBILE USA 434      
803-740 0 Columbia SC IRMOSCAP2MD  8645 SUNCOM DBA T-MOBILE USA 434   2006-02-27   
803-740 1 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-10-07   
803-740 2 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-10-07   
803-740 3 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-07-08   
803-740 4 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-07-08   
803-740 5 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-09-25   
803-740 6 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-10-07   
803-740 7 Columbia SC CLMASCLNX3X  8534 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 434   2005-10-07   
803-740 8 Columbia SC IRMOSCAP2MD  8645 SUNCOM DBA T-MOBILE USA 434   2008-02-11   
803-740 9 Columbia SC IRMOSCAP2MD  8645 SUNCOM DBA T-MOBILE USA 434   2004-11-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.