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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-404 A Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-404 0 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-404 1 Salem VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244      
540-404 2 Salem VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244      
540-404 3 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-404 4 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-404 5 Salem VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244      
540-404 6 Salem VA RONKVALKX3Z  4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244      
540-404 7 Salem VA RONKVALKEMD  508J CENTURYLINK COMMUNICATIONS, LLC 244      
540-404 8 Salem VA RONKVAGEDS0  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 244      
540-404 9 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.