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: CHTNSCPSX3Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-300 A Charleston SC 4621 DELTACOM, INC. - SC 436      
843-300 0 Charleston SC 4621 DELTACOM, INC. - SC 436   2008-12-26   
843-300 6 Charleston SC 4621 DELTACOM, INC. - SC 436   2008-12-25   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

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