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: 512

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
757-512 A Norfolk Zone 1 VA NRFLVA68AMD  4725 CAVALIER TELEPHONE, LLC - VA 252      
757-512 0 Norfolk Zone 1 VA NRFLVA68AMD  4725 CAVALIER TELEPHONE, LLC - VA 252      
757-512 1 Norfolk Zone 1 VA NRFLVA68AMD  4725 CAVALIER TELEPHONE, LLC - VA 252      
757-512 2 Norfolk Zone 1 VA NRFLVA68AMD  4725 CAVALIER TELEPHONE, LLC - VA 252      
757-512 3 Norfolk Zone 1 VA NRFLVA68AMD  4725 CAVALIER TELEPHONE, LLC - VA 252      
757-512 4 Norfolk Zone 1 VA CHSKVAGU0MD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 252   2005-07-15   
757-512 5 Norfolk Zone 1 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2005-03-16   
757-512 6 Norfolk Zone 1 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2005-03-16   
757-512 7 Norfolk Zone 1 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2005-03-16   
757-512 8 Norfolk Zone 1 VA CHSKVAAY0MD  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 252   2005-03-16   
757-512 9 Norfolk Zone 1 VA NRFLVA68AMD  4725 CAVALIER TELEPHONE, LLC - VA 252      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.