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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
860-451 0 Niantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-02   
860-451 5 Niantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-452 0 Killingworth CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-453 6 Canaan CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-455 4 Willimantic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-458 7 Stafford Springs CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2015-10-08   
860-467 4 East Hampton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-10   
860-468 3 Lebanon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-03-30   
860-468 4 Lebanon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-469 3 Winsted CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-469 4 Winsted CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-01-12   
860-469 6 Winsted CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-471 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2009-08-10   
860-474 4 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-29   
860-481 A Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-481 4 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-481 6 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 7 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 8 Putnam CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-484 0 Thomaston CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
860-484 7 Thomaston CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-08   
860-488 9 New Milford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-03-12   
860-492 0 Sharon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-08-13   
860-492 4 Sharon CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-03   
860-495 0 Pawcatuck CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-08   
860-497 4 North Thompson CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-11-08   
860-498 4 Coventry CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
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 A Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
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 2 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-516 3 Bristol CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
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 A Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-777 2 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-780 A Glastonbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2025-04-26   
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 A Harwinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2025-04-26   
860-782 2 Harwinton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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