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Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-288 2 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-11-24   
475-288 3 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-11-24   
475-288 4 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-11-24   
475-288 5 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-11-24   
475-357 4 Milford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2025-01-23   
475-365 6 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2024-05-31   
475-369 5 Huntington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2024-11-04   
475-384 5 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2025-01-31   
475-400 8 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2020-02-10   
475-444 5 Newtown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-11-21   
475-473 4 Woodbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2019-10-12   
475-477 1 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2020-01-17   
475-529 2 Danbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-08-15   
475-685 3 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2019-07-01   
860-200 6 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2016-05-20   
860-213 8 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-03-13   
860-218 9 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-11-08   
860-237 A Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-237 3 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-14   
860-237 4 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-237 5 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-237 6 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-03-16   
860-237 8 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-09   
860-245 2 Mystic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2009-06-17   
860-248 A Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-248 2 Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-10-28   
860-248 4 Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-248 8 Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-254 4 Windsor Locks CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-254 6 Windsor Locks CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-254 7 Windsor Locks CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-04   
860-256 4 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-10-14   
860-256 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
860-263 0 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-12-03   
860-264 1 Simsbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-18   
860-264 4 Simsbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-265 1 Enfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-19   
860-265 4 Enfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-266 1 Glastonbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-06-12   
860-266 2 Glastonbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-12   
860-266 4 Glastonbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-269 0 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-28   
860-269 3 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-19   
860-269 4 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-269 6 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-28   
860-269 7 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-269 8 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-11-17   
860-269 9 Farmington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-18   
860-270 0 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-07-20   
860-271 8 New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-11-17   
860-272 4 Enfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-16   
860-288 A Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-288 1 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-01-14   
860-288 2 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-288 4 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-288 5 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-17   
860-288 8 Manchester CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-11-18   
860-295 2 East Hampton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-01-31   
860-316 2 Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
860-317 7 Plainfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-07-26   
860-319 0 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-06-17   
860-322 5 Deep River CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-03-10   
860-323 0 Simsbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-08-15   
860-331 8 Hartford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-07-12   
860-333 1 New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-07-25   
860-333 6 New London CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-11-18   
860-337 7 Columbia CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-01-12   
860-339 0 Old Saybrook CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
860-341 4 Storrs CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-348 8 New Britain CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-10   
860-351 2 Plainville CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-10-29   
860-352 5 Canton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
860-356 0 New Britain CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-17   
860-356 2 New Britain CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-356 4 New Britain CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-01-06   
860-357 5 New Britain CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-16   
860-357 6 New Britain CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-08-27   
860-359 4 Columbia CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-365 8 East Hampton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-367 8 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
860-373 9 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-16   
860-378 8 Southington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
860-381 4 Ledyard CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-381 6 Ledyard CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-01-28   
860-383 0 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-383 8 Norwich CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-09   
860-386 9 Windsor Locks CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-10-01   
860-391 0 Old Saybrook CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-393 7 Litchfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-07-09   
860-394 4 Enfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-02-02   
860-398 A Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-398 4 Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-398 5 Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-14   
860-398 6 Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-398 7 Middletown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-10-27   
860-410 4 Plainville CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-415 4 Mystic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-12   
860-415 8 Mystic CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-419 A Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-419 8 Cornwall CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-07   

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

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