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: CHTNSCDTIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-460 A Charleston SC 7421 AT&T - LOCAL 436      
843-460 1 Charleston SC 7421 AT&T - LOCAL 436      
843-460 6 Charleston SC 7421 AT&T - LOCAL 436      
843-460 9 Charleston SC 7421 AT&T - LOCAL 436      
843-486 4 Summerville SC 7421 AT&T - LOCAL 436   2003-12-01   
843-654 6 Mount Pleasant SC 7421 AT&T - LOCAL 436   2003-12-01   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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