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.
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Switch: SBRKSCSKRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-243 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 0 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 3 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 4 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 5 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 6 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 8 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-243 9 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-768 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-864 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-864 2 Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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