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.

Switch: ARTNVAARXDY

<< 1 2 3 4 5 6 7 8

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-647 9 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-07-24   
703-657 0 Herndon VA 318J COMCAST IP PHONE, LLC 236   2007-05-23   
703-657 2 Herndon VA 318J COMCAST IP PHONE, LLC 236   2007-09-13   
703-657 3 Herndon VA 318J COMCAST IP PHONE, LLC 236   2007-03-15   
703-663 8 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2006-03-16   
703-664 0 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-06-03   
703-665 2 Dulles VA 318J COMCAST IP PHONE, LLC 236   2010-08-29   
703-685 9 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2014-05-12   
703-686 4 Manassas VA 318J COMCAST IP PHONE, LLC 236   2007-11-19   
703-712 7 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2017-05-25   
703-712 8 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2012-02-29   
703-717 9 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-06-03   
703-718 3 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2018-05-15   
703-718 4 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2017-02-25   
703-721 3 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2016-10-17   
703-743 A Haymarket VA 318J COMCAST IP PHONE, LLC 236      
703-743 1 Haymarket VA 318J COMCAST IP PHONE, LLC 236      
703-743 2 Haymarket VA 318J COMCAST IP PHONE, LLC 236      
703-743 5 Haymarket VA 318J COMCAST IP PHONE, LLC 236      
703-743 9 Haymarket VA 318J COMCAST IP PHONE, LLC 236   2006-12-14   
703-746 8 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2008-05-01   
703-746 9 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2014-07-10   
703-763 3 Dale City VA 318J COMCAST IP PHONE, LLC 236   2007-06-14   
703-774 A Herndon VA 318J COMCAST IP PHONE, LLC 236      
703-774 0 Herndon VA 318J COMCAST IP PHONE, LLC 236      
703-789 A Manassas VA 318J COMCAST IP PHONE, LLC 236      
703-789 8 Manassas VA 318J COMCAST IP PHONE, LLC 236      
703-794 7 Independent Hill VA 318J COMCAST IP PHONE, LLC 236   2005-04-23   
703-817 2 Herndon VA 318J COMCAST IP PHONE, LLC 236   2017-05-25   
703-817 4 Herndon VA 318J COMCAST IP PHONE, LLC 236   2017-06-05   
703-825 1 Braddock VA 318J COMCAST IP PHONE, LLC 236   2005-06-29   
703-825 7 Braddock VA 318J COMCAST IP PHONE, LLC 236   2006-11-07   
703-827 3 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2017-04-30   
703-854 1 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2008-05-21   
703-865 A Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236      
703-865 0 Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236   2014-01-13   
703-865 4 Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236   2007-05-23   
703-865 5 Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236   2006-01-04   
703-865 6 Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236   2006-01-04   
703-865 7 Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236   2006-10-03   
703-865 8 Washington Zone 19 VA 318J COMCAST IP PHONE, LLC 236   2007-01-22   
703-866 8 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2017-02-19   
703-870 7 Herndon VA 318J COMCAST IP PHONE, LLC 236   2006-09-11   
703-888 0 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-07-13   
703-888 1 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-07-13   
703-888 2 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-07-13   
703-888 3 Washington Zone 8 VA 318J COMCAST IP PHONE, LLC 236   2006-08-17   
703-910 4 Occoquan VA 318J COMCAST IP PHONE, LLC 236   2007-05-28   
703-910 6 Occoquan VA 318J COMCAST IP PHONE, LLC 236   2007-09-20   
703-910 7 Occoquan VA 318J COMCAST IP PHONE, LLC 236   2008-02-21   
703-942 5 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2005-09-12   
703-942 6 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2005-09-12   
703-942 8 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2006-01-09   
703-953 3 Herndon VA 318J COMCAST IP PHONE, LLC 236   2005-11-17   
703-955 7 Herndon VA 318J COMCAST IP PHONE, LLC 236   2006-04-25   
703-956 6 Herndon VA 318J COMCAST IP PHONE, LLC 236   2005-07-05   
703-956 9 Herndon VA 318J COMCAST IP PHONE, LLC 236   2005-04-05   
703-957 3 Arcola VA 318J COMCAST IP PHONE, LLC 236   2006-11-30   
703-982 8 Lorton VA 318J COMCAST IP PHONE, LLC 236   2011-09-19   
703-986 0 Dale City VA 318J COMCAST IP PHONE, LLC 236   2006-05-26   
703-992 A Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236      
703-992 0 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2005-05-25   
703-992 6 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2003-12-03   
703-992 7 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2004-11-01   
703-992 8 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2005-03-08   
703-992 9 Washington Zone 17 VA 318J COMCAST IP PHONE, LLC 236   2005-05-25   

<< 1 2 3 4 5 6 7 8

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.