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OCN: 6119 LEVEL 3 COMMUNICATIONS, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-767 6 Washington Zone 5 MD MCLNVA23DS4  236   2008-02-13   
240-770 0 Washington Zone 4 MD MCLNVA23DS4  236   2008-02-13   
240-770 2 Washington Zone 4 MD MCLNVA23DS4  236   2008-02-13   
240-772 5 Frederick MD FRDRMDFRXMD  240   2012-10-07   
240-772 9 Frederick MD FRDRMDFRXMD  240   2014-06-21   
240-774 7 Lonaconing MD FRDRMDFRXMD  240   2016-11-12   
240-775 9 Westernport MD FRDRMDFRXMD  240   2019-06-21   
240-776 A La Plata MD MCLNVA23DS4  236      
240-776 8 La Plata MD MCLNVA23DS4  236   2008-05-16   
240-780 A Gaithersburg MD MCLNVA23DS4  236      
240-780 3 Gaithersburg MD MCLNVA23DS4  236      
240-780 4 Gaithersburg MD MCLNVA23DS4  236      
240-786 A Laurel MD MCLNVA23DS4  236      
240-786 0 Laurel MD MCLNVA23DS4  236      
240-786 3 Laurel MD MCLNVA23DS4  236      
240-786 4 Laurel MD MCLNVA23DS4  236      
240-786 9 Laurel MD MCLNVA23DS4  236      
240-787 A Brandywine MD MCLNVA23DS4  236      
240-787 0 Brandywine MD MCLNVA23DS4  236      
240-788 A Washington Zone 5 MD MCLNVA23DS4  236      
240-788 3 Washington Zone 5 MD MCLNVA23DS4  236      
240-788 4 Washington Zone 5 MD MCLNVA23DS4  236   2012-05-12   
240-790 A Washington Zone 13 MD MCLNVA23DS4  236      
240-790 0 Washington Zone 13 MD MCLNVA23DS4  236      
240-790 1 Washington Zone 13 MD MCLNVA23DS4  236      
240-790 3 Washington Zone 13 MD MCLNVA23DS4  236      
240-790 7 Washington Zone 13 MD MCLNVA23DS4  236      
240-794 A Lexington Park-Great Mills MD MCLNVA23DS4  236      
240-794 1 Lexington Park-Great Mills MD MCLNVA23DS4  236      
240-803 4 Cumberland MD FRDRMDFRXMD  240   2014-01-17   
240-812 A Poolesville MD   236      
240-812 4 Poolesville MD MCLNVA23DS4  236      
240-821 5 Washington Zone 3 MD MCLNVA23DS4  236   2006-01-28   
240-821 6 Washington Zone 3 MD MCLNVA23DS4  236   2006-01-28   
240-822 0 New Market MD FRDRMDFRXMD  240   2022-10-14   
240-839 4 Washington Zone 3 MD MCLNVA23DS4  236   2010-06-21   
240-839 6 Washington Zone 3 MD MCLNVA23DS4  236   2014-04-26   
240-855 0 Washington Zone 2 MD MCLNVA23DS4  236   2008-02-01   
240-862 7 Mount Savage MD FRDRMDFRXMD  240   2016-11-12   
240-865 A Washington Zone 14 (Baltimore LATA) MD BLTMMDSN6MD  238      
240-865 4 Washington Zone 14 (Baltimore LATA) MD BLTMMDSN6MD  238   2006-08-11   
240-874 2 Thurmont MD FRDRMDFRXMD  240   2022-07-03   
240-880 A Washington Zone 11 MD MCLNVA23DS4  236      
240-880 1 Washington Zone 11 MD MCLNVA23DS4  236      
240-880 3 Washington Zone 11 MD MCLNVA23DS4  236      
240-880 4 Washington Zone 11 MD MCLNVA23DS4  236      
240-883 A Ashton MD MCLNVA23DS4  236      
240-883 3 Ashton MD MCLNVA23DS4  236      
240-891 A Damascus (Hagerstown LATA) MD FRDRMDFRXMD  240      
240-891 2 Damascus (Hagerstown LATA) MD FRDRMDFRXMD  240   2022-02-10   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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