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: OLARSCXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-368 A Olar SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 434      
803-368 0 Olar SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 434      
803-368 2 Olar SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 434      
803-368 8 Olar SC 4335 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC 434      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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