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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-407 A Madison VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 0 Madison VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 1 Madison VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 2 Madison VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2012-06-14   
540-407 3 Madison VA WNCHVAWC8MD  624H ONVOY SPECTRUM, LLC 246   2021-05-28   
540-407 4 Madison VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2014-03-19   
540-407 6 Madison VA   5832 CORETEL VIRGINIA, LLC - VA 246   2009-03-27   
540-407 7 Madison VA CLPPVA01KMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-407 8 Madison VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2014-04-17   
540-407 9 Madison VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2016-08-26   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.