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: CHTNSCWA85E

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-556 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-571 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-573 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-763 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-766 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-769 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      
843-852 A Charleston SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 436      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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