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: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-617 A Christiansburg VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244      
540-617 0 Christiansburg VA RONKVALKXYY  079F BANDWIDTH.COM CLEC, LLC - VA 244   2020-11-29   
540-617 1 Christiansburg VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2020-11-30   
540-617 2 Christiansburg VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2021-03-19   
540-617 3 Christiansburg VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2021-04-23   
540-617 4 Christiansburg VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2021-04-23   
540-617 5 Christiansburg VA   624H ONVOY SPECTRUM, LLC 244   2021-05-27   
540-617 6 Christiansburg VA RONKVALKX1Z  138E ONVOY, LLC - VA 244   2020-11-30   
540-617 7 Christiansburg VA RONKVALKX1Z  138E ONVOY, LLC - VA 244   2020-11-30   
540-617 8 Christiansburg VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2021-02-05   
540-617 9 Christiansburg VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2021-03-19   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.