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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-607 3 Watertown MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-06-24   
617-607 4 Watertown MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2014-03-16   
617-612 4 Watertown MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2014-05-23   
617-622 A South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 0 South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 1 South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-622 9 South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-639 A Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-639 0 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-11-14   
617-639 5 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 A Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 0 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 1 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 2 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 3 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 4 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 5 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 7 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2014-05-23   
617-648 8 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-648 9 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-655 5 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2020-04-08   
617-671 0 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-07   
617-671 1 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-07   
617-674 0 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
617-674 1 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
617-674 2 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-07-04   
617-674 3 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-08-05   
617-674 6 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-06-05   
617-674 7 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-06-05   
617-676 A Jamaica Plain MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-676 3 Jamaica Plain MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-676 4 Jamaica Plain MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-681 7 Charlestown MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-16   
617-690 A Milton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-729 A Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-729 0 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-729 2 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-729 3 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-729 4 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 A Somerville MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 4 Somerville MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-741 6 Somerville MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 A Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 4 Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 6 Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 7 Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-762 A Newton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-762 0 Newton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-762 3 Newton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-762 5 Newton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-765 A South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-765 0 South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-18   
617-765 2 South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2013-09-01   
617-765 4 South Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-798 8 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2020-01-09   
617-800 0 Cambridge MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-29   
617-820 A Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-820 5 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-10-29   
617-826 A Belmont MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-826 0 Belmont MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-826 1 Belmont MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-01   
617-826 2 Belmont MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-826 3 Belmont MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-826 7 Belmont MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-830 1 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 2 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 3 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 4 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 6 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-830 7 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
617-837 A Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-837 7 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-837 8 Quincy MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-841 A Winthrop MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2025-04-11   
617-841 8 Winthrop MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-04-28   
617-848 A Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 0 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 1 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 2 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 3 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 4 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 5 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 8 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-848 9 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-849 5 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-16   
617-849 7 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2007-05-21   
617-849 8 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2007-05-21   
617-849 9 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-12-09   
617-860 2 Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2007-04-19   
617-860 3 Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-10   
617-870 A Brighton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-870 5 Brighton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-874 1 East Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-06-12   
617-892 4 Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-01-12   
617-895 A East Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-895 0 East Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-895 2 East Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-895 3 East Boston MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-906 A Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-906 5 Brookline MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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