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: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-509 A Leesburg VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
571-509 0 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 1 Leesburg VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2019-08-23   
571-509 2 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 3 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 4 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 5 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 6 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 7 Leesburg VA LSBGVALBUMD  197D VONAGE AMERICA LLC 246   2018-12-01   
571-509 8 Leesburg VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2018-09-15   
571-509 9 Leesburg VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2017-09-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.