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: RONKVAGE0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-267 9 Radford VA 321J HD CARRIER LLC 244   2026-01-18   
540-744 4 Radford VA 321J HD CARRIER LLC 244   2026-01-18   
540-979 A Roanoke VA 321J HD CARRIER LLC 244      
540-979 8 Roanoke VA 321J HD CARRIER LLC 244   2021-03-18   
540-979 9 Roanoke VA 321J HD CARRIER LLC 244   2021-03-18   
826-270 2 Roanoke VA 321J HD CARRIER LLC 244   2026-01-18   
826-270 3 Roanoke VA 321J HD CARRIER LLC 244   2026-01-18   
826-270 4 Roanoke VA 321J HD CARRIER LLC 244   2026-01-18   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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