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: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-749 A Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2024-02-09   
540-749 0 Front Royal VA WNCHVAWC1MD  4979 SHENTEL COMMUNICATIONS, LLC. - VA 246   2017-05-07   
540-749 1 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2019-03-22   
540-749 2 Front Royal VA LSBGVALBX7X  318J COMCAST IP PHONE, LLC 246   2015-11-18   
540-749 3 Front Royal VA   145J TERRA NOVA TELECOM INC. 246   2025-07-10   
540-749 4 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2024-08-24   
540-749 5 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2024-09-15   
540-749 6 Front Royal VA FRBGVAFBMMD  4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 246   2014-07-10   
540-749 7 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2024-04-04   
540-749 8 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2024-04-04   
540-749 9 Front Royal VA CLPPVA94A1A  5562 METROPCS, INC. 246   2016-11-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.