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: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-944 A Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244      
540-944 0 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 1 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 2 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 3 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 4 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 5 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 6 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 7 Blacksburg VA RONKVAGE7MD  197D VONAGE AMERICA LLC 244   2019-01-18   
540-944 8 Blacksburg VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2019-07-18   
540-944 9 Blacksburg VA   079F BANDWIDTH.COM CLEC, LLC - VA 244   2021-07-12   

Last updated: Wed, 01 Dec 2021 01:40:16 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.