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: RONKVALKX2X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-266 A Roanoke VA 7421 AT&T - LOCAL 244      
540-266 9 Roanoke VA 7421 AT&T - LOCAL 244      
540-443 4 Blacksburg VA 7421 AT&T - LOCAL 244   2006-08-17   
540-633 7 Radford VA 7421 AT&T - LOCAL 244   2005-11-18   
540-696 A Pearisburg VA 7421 AT&T - LOCAL 244      
540-696 9 Pearisburg VA 7421 AT&T - LOCAL 244   2016-09-26   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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