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: RCHLSCXB7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
839-269 A Lancaster SC 548E ONVOY, LLC - SC 422      
839-282 A Fort Mill SC 548E ONVOY, LLC - SC 422   2024-05-21   
839-283 A Lancaster SC 548E ONVOY, LLC - SC 422   2024-05-21   
839-293 A Fort Mill SC 548E ONVOY, LLC - SC 422      
839-388 A Rock Hill SC 548E ONVOY, LLC - SC 422      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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