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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
757-301 A Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252      
757-301 0 Norfolk Zone 4 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2005-05-02   
757-301 1 Norfolk Zone 4 VA NRFLVABSXUY  079F BANDWIDTH.COM CLEC, LLC - VA 252   2008-12-07   
757-301 2 Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2002-05-14   
757-301 3 Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2003-05-10   
757-301 4 Norfolk Zone 4 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2003-01-06   
757-301 5 Norfolk Zone 4 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2008-04-04   
757-301 6 Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2004-11-18   
757-301 7 Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2003-02-20   
757-301 8 Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252   2004-08-01   
757-301 9 Norfolk Zone 4 VA NRFLVAJTDS0  7189 COX VIRGINIA TELCOM, INC. - VA 252      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.