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: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-406 A Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-406 0 Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-406 1 Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-406 2 Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-406 3 Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2013-03-03   
540-406 4 Gordonsville VA LSBGVALBQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 246   2009-07-01   
540-406 5 Gordonsville VA LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2015-09-21   
540-406 6 Gordonsville VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2012-07-07   
540-406 7 Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-406 8 Gordonsville VA CLPPVACU3MD  508J CENTURYLINK COMMUNICATIONS, LLC 246   2014-07-18   
540-406 9 Gordonsville VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2014-08-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.