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: BUFTSCCNAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
843-255 A Beaufort SC 5385 HARGRAY, INC. - SC 436      
843-379 A Beaufort SC 5385 HARGRAY, INC. - SC 436      
843-541 A St Helena Island SC 5385 HARGRAY, INC. - SC 436      
843-644 A Laurel Bay SC 5385 HARGRAY, INC. - SC 436      
843-645 A Low Country SC 5385 HARGRAY, INC. - SC 436      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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