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: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
703-665 A Dulles VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 0 Dulles VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 1 Dulles VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      
703-665 2 Dulles VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
703-665 3 Dulles VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 4 Dulles VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 5 Dulles VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 6 Dulles VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 7 Dulles VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      
703-665 8 Dulles VA BTVLMD127MD  5562 METROPCS, INC. 236      
703-665 9 Dulles VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.