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: 914

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-914 A Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246      
540-914 0 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2023-10-21   
540-914 1 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2024-03-01   
540-914 2 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2023-08-03   
540-914 3 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2023-05-15   
540-914 4 Front Royal VA WNCHVAWC8MD  624H ONVOY SPECTRUM, LLC 246   2021-12-11   
540-914 5 Front Royal VA WNCHVAWC8MD  624H ONVOY SPECTRUM, LLC 246   2021-12-11   
540-914 6 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2023-02-06   
540-914 7 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2022-03-13   
540-914 8 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2022-02-12   
540-914 9 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2021-11-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.