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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-360 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-509 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-03-20   
202-558 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-559 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2008-03-14   
202-683 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-684 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236      
202-688 A Washington Zone 1 DC 6117 LEVEL 3 COMMUNICATIONS, LLC - DC 236   2010-05-02   
240-252 A Gaithersburg MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-297 A Washington Zone 13 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-348 A Washington Zone 16 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-547 A Laurel MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-696 A Washington Zone 4 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 A Washington Zone 15 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-637 A Washington Zone 10 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-741 A Laurel MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-760 A Washington Zone 2 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-761 A Washington Zone 11 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-768 A Washington Zone 3 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-850 A Washington Zone 14 MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-861 A Waldorf MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-880 A Lexington Park-Great Mills MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
571-281 A Braddock VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
571-297 A Washington Zone 17 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
571-723 A Washington Zone 19 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-291 A Triangle VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-348 A Arcola VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-350 A Washington Zone 8 VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-436 A Lorton VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-468 A Haymarket VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-595 A Occoquan VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-05-14   
703-596 A Nokesville VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-659 A Manassas VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-665 A Dulles VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      
703-763 A Dale City VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2006-05-29   
703-994 A Herndon VA 8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

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