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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-312 A Columbia SC CLMASCSN79F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434      
803-312 0 Columbia SC CLMASCSNXMD  5258 LEVEL 3 COMMUNICATIONS, LLC - SC 434   2015-05-02   
803-312 1 Columbia SC CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434      
803-312 2 Columbia SC CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434      
803-312 3 Columbia SC CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434      
803-312 4 Columbia SC CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434      
803-312 5 Columbia SC CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434      
803-312 6 Columbia SC CLMASCSN79F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434      
803-312 7 Columbia SC CLMASCSN79F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434      
803-312 8 Columbia SC CLMASCSN79F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434      
803-312 9 Columbia SC CLMASCSN79F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 434      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.