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: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-329 A Glasgow VA RONKVALKXLY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 244      
540-329 0 Glasgow VA RONKVALK5MD  4979 SHENTEL COMMUNICATIONS, LLC. - VA 244      
540-329 1 Glasgow VA RONKVALKX1Z  138E ONVOY, LLC - VA 244      
540-329 2 Glasgow VA RONKVALKX1Z  138E ONVOY, LLC - VA 244      
540-329 3 Glasgow VA RONKVALKX1Z  138E ONVOY, LLC - VA 244      
540-329 4 Glasgow VA RONKVALKX1Z  138E ONVOY, LLC - VA 244      
540-329 5 Glasgow VA RONKVALKX1Z  138E ONVOY, LLC - VA 244      
540-329 6 Glasgow VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244      
540-329 7 Glasgow VA RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244      
540-329 8 Glasgow VA RONKVALKX1Z  138E ONVOY, LLC - VA 244      
540-329 9 Glasgow VA RONKVALKXLY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 244      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.