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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-305 A Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-305 0 Front Royal VA CLPPVA01CMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 246   2019-10-07   
540-305 1 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2012-04-29   
540-305 2 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2023-08-24   
540-305 3 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-03-29   
540-305 4 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2008-03-08   
540-305 5 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2011-01-22   
540-305 6 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-305 7 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-305 8 Front Royal VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2020-03-29   
540-305 9 Front Royal VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.