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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-743 9 Haymarket VA 318J COMCAST IP PHONE, LLC 236   2006-12-14   
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   
703-888 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   
703-910 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   
703-956 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   
703-986 0 Dale City VA 318J COMCAST IP PHONE, LLC 236   2006-05-26   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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