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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
860-499 5 Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-09   
860-506 3 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-03-26   
860-509 4 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-10-27   
860-516 0 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-02   
860-516 1 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-08-28   
860-516 4 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-08-05   
860-516 8 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-516 9 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-517 8 Plainville CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-531 3 Colchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-01-05   
860-531 4 Colchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-08   
860-542 2 Norfolk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-546 4 Canterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-03-05   
860-552 A Clinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-552 1 Clinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-02-24   
860-552 2 Clinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-553 3 Storrs CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-554 0 Haddam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-11-08   
860-554 6 Haddam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-02-24   
860-556 2 Canterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-01-30   
860-556 4 Canterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-560 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-12-04   
860-566 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2013-09-28   
860-566 9 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-04-13   
860-577 8 Old Saybrook CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
860-581 4 Essex CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-581 9 Essex CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-04-14   
860-591 A Jewett City CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-591 0 Jewett City CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-591 5 Jewett City CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-02-14   
860-591 8 Jewett City CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-592 7 Kent CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-07-08   
860-596 0 Lakeville CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-598 3 Lyme CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-02-27   
860-598 4 Lyme CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-08   
860-607 1 Windsor CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-20   
860-607 2 Windsor CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-02-20   
860-613 6 Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-03-05   
860-615 4 Moodus CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-03-24   
860-615 5 Moodus CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-16   
860-618 6 Torrington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-03   
860-631 4 Watertown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-631 5 Watertown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-640 4 Windsor CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-661 A Old Saybrook CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-661 0 Old Saybrook CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-661 4 Old Saybrook CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-691 9 Niantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-706 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-09   
860-709 9 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-07   
860-717 7 New Milford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-08-26   
860-724 2 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-12-09   
860-724 4 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-12-09   
860-733 A Harwinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-733 0 Harwinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-19   
860-733 4 Harwinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-748 A Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-748 4 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-756 0 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-05-02   
860-756 5 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-03-14   
860-764 4 Canton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-08-26   
860-768 9 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-02-17   
860-771 2 Willimantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-03   
860-777 2 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-780 3 Glastonbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-780 5 Glastonbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-06-16   
860-782 2 Harwinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-784 2 Simsbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-785 2 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-03-22   
860-786 1 Willimantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-04   
860-786 4 Willimantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-787 2 Windsor CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-787 5 Windsor CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-789 2 Windsor Locks CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-792 0 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-799 4 New Milford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-799 8 New Milford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-09   
860-819 3 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-02   
860-821 8 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
860-838 0 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-838 2 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-838 3 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-856 5 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-10-26   
860-856 6 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-01-22   
860-863 0 Southington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-18   
860-863 2 Southington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-863 4 Southington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-865 A New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-865 0 New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-865 1 New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-08-27   
860-865 6 New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-10-27   
860-866 1 Torrington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-16   
860-866 2 Torrington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-866 4 Torrington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-866 5 Torrington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-16   
860-879 A Deep River CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-879 0 Deep River CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-881 2 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-02   
860-891 A Moodus CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-891 9 Moodus CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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