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.

Switch: DLLNSCMA77E

Remotes:

Switch Switch name Switch type
LATTSCLSRS1  LATTA  RSC 
LKVWSCMARS1  LAKE VIEW  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-487 1 Dillon SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 432   2010-12-01   
843-487 2 Dillon SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 432   2011-05-02   
843-774 A Dillon SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 432      
843-841 A Dillon SC 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 432      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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