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: CHTNSCDT07Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-212 A Charleston SC 551G NUSO, LLC 436      
843-212 1 Charleston SC 551G NUSO, LLC 436   2013-04-06   
843-459 9 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-666 8 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-823 1 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-823 8 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-823 9 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-867 0 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-867 1 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-965 0 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-965 1 Charleston SC 551G NUSO, LLC 436   2018-11-07   
843-974 0 Charleston SC 551G NUSO, LLC 436   2018-11-07   
854-429 0 Charleston SC 551G NUSO, LLC 436   2018-07-31   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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