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.

NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-316 A Warrenton VA CLPPVA01CMD  5562 METROPCS, INC. 246      
540-316 0 Warrenton VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2008-12-05   
540-316 1 Warrenton VA LSBGVALBX2X  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2009-11-16   
540-316 2 Warrenton VA WRTNVAWRDS0  9213 VERIZON VIRGINIA, INC. 246   2007-03-20   
540-316 3 Warrenton VA WRTNVAWRDS0  9213 VERIZON VIRGINIA, INC. 246   2007-03-20   
540-316 4 Warrenton VA WRTNVAWRDS0  9213 VERIZON VIRGINIA, INC. 246   2007-03-20   
540-316 5 Warrenton VA WRTNVAWRDS0  9213 VERIZON VIRGINIA, INC. 246   2007-03-20   
540-316 6 Warrenton VA LSBGVALBQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 246   2007-07-30   
540-316 7 Warrenton VA CLPPVA01CMD  5562 METROPCS, INC. 246   2009-03-24   
540-316 8 Warrenton VA CLPPVA01CMD  5562 METROPCS, INC. 246   2006-10-13   
540-316 9 Warrenton VA LSBGVALBZMD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 246   2008-03-26   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.