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: FLRNSCATYMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-713 A Florence SC 364E YMAX COMMUNICATIONS CORP. - SC 432      
843-713 0 Florence SC 364E YMAX COMMUNICATIONS CORP. - SC 432      
843-713 2 Florence SC 364E YMAX COMMUNICATIONS CORP. - SC 432      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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