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OCN: 4800 LEVEL 3 COMMUNICATIONS, LLC - CT

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
203-616 4 Danbury CT SMFRCTPU4MD  920      
203-617 0 Danbury CT SMFRCTPU4MD  920   2007-12-03   
203-633 A Wolcott CT SMFRCTPU4MD  920      
203-633 0 Wolcott CT SMFRCTPU4MD  920   2005-02-04   
203-633 1 Wolcott CT SMFRCTPU4MD  920   2005-02-14   
203-633 4 Wolcott CT SMFRCTPU4MD  920      
203-635 A Westport CT SMFRCTPU4MD  920      
203-635 0 Westport CT SMFRCTPU4MD  920   2004-12-29   
203-635 4 Westport CT SMFRCTPU4MD  920      
203-635 5 Westport CT SMFRCTPU4MD  920   2012-08-26   
203-635 6 Westport CT SMFRCTPU4MD  920   2012-03-03   
203-636 0 Darien CT SMFRCTPU4MD  920   2004-11-11   
203-643 8 Branford CT SMFRCTPU4MD  920   2004-03-07   
203-648 A Danbury CT SMFRCTPU4MD  920      
203-648 4 Danbury CT SMFRCTPU4MD  920      
203-648 9 Danbury CT SMFRCTPU4MD  920   2004-10-21   
203-651 5 Cheshire CT SMFRCTPU4MD  920   2005-10-28   
203-651 7 Cheshire CT SMFRCTPU4MD  920   2004-12-12   
203-652 8 New Canaan CT SMFRCTPU4MD  920   2006-01-02   
203-654 3 New Haven CT SMFRCTPU4MD  920   2014-01-03   
203-654 7 New Haven CT SMFRCTPU4MD  920   2004-09-03   
203-664 7 Redding CT SMFRCTPU4MD  920   2014-07-06   
203-666 A Bridgeport CT SMFRCTPU4MD  920      
203-666 4 Bridgeport CT SMFRCTPU4MD  920   2013-11-17   
203-669 A Darien CT   920   2025-04-26   
203-669 2 Darien CT SMFRCTPU4MD  920      
203-680 3 New Haven CT SMFRCTPU4MD  920   2013-01-12   
203-684 5 New Haven CT SMFRCTPU4MD  920   2012-02-14   
203-687 A New Haven CT SMFRCTPU4MD  920      
203-687 4 New Haven CT SMFRCTPU4MD  920      
203-692 A Fairfield CT   920      
203-692 3 Fairfield CT SMFRCTPU4MD  920      
203-692 4 Fairfield CT SMFRCTPU4MD  920   2011-01-10   
203-694 3 Meriden CT SMFRCTPU4MD  920   2012-12-01   
203-698 5 Old Greenwich CT SMFRCTPU4MD  920   2012-07-26   
203-704 A Wolcott CT SMFRCTPU4MD  920      
203-704 9 Wolcott CT SMFRCTPU4MD  920   2002-09-07   
203-712 A Huntington CT   920      
203-712 0 Huntington CT SMFRCTPU4MD  920   2008-04-24   
203-712 2 Huntington CT   920      
203-712 3 Huntington CT SMFRCTPU4MD  920      
203-712 4 Huntington CT SMFRCTPU4MD  920      
203-712 5 Huntington CT SMFRCTPU4MD  920      
203-712 9 Huntington CT SMFRCTPU4MD  920      
203-716 A New Canaan CT   920   2025-04-26   
203-716 8 New Canaan CT SMFRCTPU4MD  920   2002-10-07   
203-718 A Cheshire CT   920   2025-04-26   
203-718 2 Cheshire CT SMFRCTPU4MD  920      
203-718 4 Cheshire CT SMFRCTPU4MD  920      
203-720 8 Naugatuck CT SMFRCTPU4MD  920   2012-04-07   

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

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