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: 947

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-947 A Montvale VA SWVLVASVDS0  9213 VERIZON VIRGINIA, INC. 244      
540-947 0 Montvale VA   145J TERRA NOVA TELECOM INC. 244   2021-05-15   
540-947 1 Montvale VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244   2008-12-05   
540-947 2 Montvale VA SWVLVASVDS0  9213 VERIZON VIRGINIA, INC. 244      
540-947 3 Montvale VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244   2012-02-15   
540-947 4 Montvale VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244   2014-09-13   
540-947 5 Montvale VA SWVLVASVDS0  9213 VERIZON VIRGINIA, INC. 244      
540-947 6 Montvale VA RONKVALKEMD  508J CENTURYLINK COMMUNICATIONS, LLC 244   2014-02-19   
540-947 7 Montvale VA RONKVALKX7Z  4725 CAVALIER TELEPHONE, LLC - VA 244   2010-07-22   
540-947 8 Montvale VA RONKVAGEDS0  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 244   2016-01-23   
540-947 9 Montvale VA RONKVALKX1Z  138E ONVOY, LLC - VA 244   2017-03-31   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.