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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-851 A Columbia SC CLMASCTSDS1  7273 LEVEL 3 TELECOM OF SOUTH CAROLINA, LLC - SC 434      
803-851 0 Columbia SC CLMASCSNXZZ  582C TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL 434   2015-03-15   
803-851 1 Columbia SC CLMASCSNXZZ  582C TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL 434   2015-01-24   
803-851 2 Columbia SC CLMASCTSDS1  7273 LEVEL 3 TELECOM OF SOUTH CAROLINA, LLC - SC 434   2005-11-18   
803-851 3 Columbia SC CLMASCSNXZZ  582C TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL 434   2015-01-24   
803-851 4 Columbia SC CLMASCSNXZZ  582C TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL 434   2015-01-24   
803-851 5 Columbia SC CLMASCTLXUX  516C AT&T CORP. 434   2014-04-11   
803-851 6 Columbia SC CLMASCTLXUX  516C AT&T CORP. 434   2014-09-02   
803-851 7 Columbia SC CLMASCSNXZZ  582C TIME WARNER CBLE INFO SVC (SC) DBA TIME WARNER CBL 434   2015-03-15   
803-851 8 Columbia SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2014-08-25   
803-851 9 Columbia SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2014-08-25   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.