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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
203-998 A Stamford CT SMFRCTPU4MD  920      
203-998 0 Stamford CT SMFRCTPU4MD  920   2007-05-01   
475-208 A Norwalk CT SMFRCTPU4MD  920      
475-208 2 Norwalk CT SMFRCTPU4MD  920   2015-01-29   
475-209 5 New Haven CT SMFRCTPU4MD  920   2014-10-18   
475-209 8 New Haven CT SMFRCTPU4MD  920   2015-08-17   
475-216 2 Ansonia-Derby CT SMFRCTPU4MD  920   2019-08-12   
475-216 3 Ansonia-Derby CT SMFRCTPU4MD  920   2019-10-27   
475-232 A Stamford CT SMFRCTPU4MD  920      
475-232 2 Stamford CT SMFRCTPU4MD  920   2016-09-15   
475-235 6 Waterbury CT SMFRCTPU4MD  920   2012-12-01   
475-262 2 Huntington CT SMFRCTPU4MD  920   2020-05-18   
475-262 3 Huntington CT SMFRCTPU4MD  920   2020-05-18   
475-262 4 Huntington CT SMFRCTPU4MD  920   2020-04-10   
475-262 5 Huntington CT SMFRCTPU4MD  920   2020-08-15   
475-266 8 Norwalk CT SMFRCTPU4MD  920   2015-08-17   
475-273 3 Bridgeport CT SMFRCTPU4MD  920   2020-09-06   
475-282 2 Bridgeport CT SMFRCTPU4MD  920   2011-12-22   
475-288 A Norwalk CT SMFRCTPU4MD  920      
475-288 1 Norwalk CT SMFRCTPU4MD  920   2014-11-24   
475-288 2 Norwalk CT SMFRCTPU4MD  920   2014-11-24   
475-288 3 Norwalk CT SMFRCTPU4MD  920   2014-11-24   
475-288 4 Norwalk CT SMFRCTPU4MD  920   2014-11-24   
475-288 5 Norwalk CT SMFRCTPU4MD  920   2014-11-24   
475-357 4 Milford CT SMFRCTPU4MD  920   2025-01-23   
475-365 6 New Haven CT SMFRCTPU4MD  920   2024-05-31   
475-369 5 Huntington CT SMFRCTPU4MD  920   2024-11-04   
475-384 5 New Haven CT   920   2025-01-31   
475-400 8 Stamford CT SMFRCTPU4MD  920   2020-02-10   
475-444 5 Newtown CT SMFRCTPU4MD  920   2014-11-21   
475-473 4 Woodbury CT SMFRCTPU4MD  920   2019-10-12   
475-477 1 Stamford CT SMFRCTPU4MD  920   2020-01-17   
475-529 2 Danbury CT SMFRCTPU4MD  920   2012-08-15   
475-685 3 Stamford CT SMFRCTPU4MD  920   2019-07-01   
475-897 2 Greenwich CT NYCMNY83DSZ  132   2015-09-26   
860-200 6 Hartford CT SMFRCTPU4MD  920   2016-05-20   
860-213 8 Norwich CT SMFRCTPU4MD  920   2008-03-13   
860-218 9 Hartford CT SMFRCTPU4MD  920   2004-11-08   
860-237 A Norwich CT SMFRCTPU4MD  920      
860-237 3 Norwich CT SMFRCTPU4MD  920   2005-01-14   
860-237 4 Norwich CT SMFRCTPU4MD  920      
860-237 5 Norwich CT SMFRCTPU4MD  920   2005-02-07   
860-237 6 Norwich CT SMFRCTPU4MD  920   2014-03-16   
860-237 8 Norwich CT SMFRCTPU4MD  920   2005-01-09   
860-245 2 Mystic CT SMFRCTPU4MD  920   2009-06-17   
860-248 A Cornwall CT SMFRCTPU4MD  920      
860-248 2 Cornwall CT SMFRCTPU4MD  920   2005-10-28   
860-248 4 Cornwall CT SMFRCTPU4MD  920      
860-248 8 Cornwall CT SMFRCTPU4MD  920   2005-09-22   
860-254 4 Windsor Locks CT SMFRCTPU4MD  920   2003-08-12   

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

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