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: 757 [Rate centres in NPA 757] [Dial plan for NPA 757]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
757-251 A Newport News Zone 2 VA NRFLVABNDS0  4860 TELCOVE OF VIRGINIA, LLC - VA 252      
757-251 0 Newport News Zone 2 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2007-05-24   
757-251 1 Newport News Zone 2 VA NWNWVACRDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2007-08-01   
757-251 2 Newport News Zone 2 VA NWNWVACRDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2008-08-13   
757-251 3 Newport News Zone 2 VA NRFLVABNDS0  4860 TELCOVE OF VIRGINIA, LLC - VA 252      
757-251 4 Newport News Zone 2 VA NRFLVA68DS0  4725 CAVALIER TELEPHONE, LLC 252   2005-10-28   
757-251 5 Newport News Zone 2 VA NRFLVA68DS0  4725 CAVALIER TELEPHONE, LLC 252   2005-10-28   
757-251 6 Newport News Zone 2 VA NWNWVACRDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2008-05-01   
757-251 7 Newport News Zone 2 VA NWNWVACRDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2006-10-25   
757-251 8 Newport News Zone 2 VA NWNWVA83CM3  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 252   2008-10-05   
757-251 9 Newport News Zone 2 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2007-07-17   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.