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: 703 [Rate centres in NPA 703] [Dial plan for NPA 703]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-639 A Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 0 Washington Zone 17 VA FLCHVA19DS0  7189 COX VIRGINIA TELCOM, INC. - VA 236   2006-11-01   
703-639 1 Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 2 Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 3 Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 4 Washington Zone 17 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-11-08   
703-639 5 Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 6 Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      
703-639 7 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2008-04-06   
703-639 8 Washington Zone 17 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-27   
703-639 9 Washington Zone 17 VA LARLMDCC5MD  7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.