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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-431 A Winchester VA WNCHVAWCMMD  5168 FIBERNET OF VIRGINIA, INC. - VA 246      
540-431 0 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2014-10-21   
540-431 1 Winchester VA LSBGVALBX2X  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2014-08-25   
540-431 2 Winchester VA LSBGVALBZMD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 246   2012-02-24   
540-431 3 Winchester VA LSBGVALBQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 246   2011-11-17   
540-431 4 Winchester VA LSBGVALBZMD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 246   2012-11-11   
540-431 5 Winchester VA LSBGVALBX7X  318J COMCAST IP PHONE LLC 246   2012-12-17   
540-431 6 Winchester VA WNCHVAWCMMD  5168 FIBERNET OF VIRGINIA, INC. - VA 246   2008-10-13   
540-431 7 Winchester VA LSBGVALBX2X  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2013-08-13   
540-431 8 Winchester VA LSBGVALBX2X  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2011-02-17   
540-431 9 Winchester VA LSBGVALBX2X  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 246   2012-08-23   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.