Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
203-202 3 Darien CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-19   
203-204 1 Guilford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-01   
203-204 2 Guilford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-01   
203-204 6 Guilford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
203-205 9 Danbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-02-06   
203-208 3 Branford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-10-28   
203-220 2 Trumbull CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-11-03   
203-220 6 Trumbull CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-22   
203-242 0 Huntington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-05-24   
203-242 5 Huntington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2021-07-09   
203-244 4 Ridgefield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-06-12   
203-274 8 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-02-19   
203-275 0 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-03-24   
203-285 3 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-09-05   
203-285 6 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-04-28   
203-285 8 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-04-28   
203-286 4 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-06-20   
203-286 5 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-01-22   
203-295 3 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-02-19   
203-295 7 Norwalk CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-11-30   
203-297 6 Danbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-07-25   
203-303 7 Wallingford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-06-30   
203-303 8 Wallingford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-10   
203-304 6 Newtown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-16   
203-304 7 Newtown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-19   
203-307 1 Fairfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-19   
203-307 2 Fairfield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-19   
203-309 0 Darien CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-03-10   
203-309 4 Darien CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-07-29   
203-338 2 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-338 3 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-338 4 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-338 5 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-338 6 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-338 7 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-349 8 Westport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-01   
203-350 0 Madison CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
203-361 A New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-361 3 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-02-06   
203-364 5 Newtown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-04-16   
203-401 8 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
203-403 2 Ridgefield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-13   
203-403 6 Ridgefield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-02-26   
203-403 8 Ridgefield CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2013-11-02   
203-404 A New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-404 0 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-404 1 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-404 3 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-09   
203-404 4 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-07-22   
203-404 5 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-07   
203-404 6 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-09-23   
203-404 7 New Haven CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-03   
203-416 6 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-01-31   
203-416 8 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-10-07   
203-423 0 Wilton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-02   
203-423 5 Wilton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-11-23   
203-427 8 Meriden CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
203-428 4 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-07-14   
203-429 3 Westport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2010-08-23   
203-429 8 Westport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-09-12   
203-433 0 Branford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-15   
203-433 5 Branford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2011-01-31   
203-433 8 Branford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-09   
203-437 4 Waterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-03-02   
203-437 6 Waterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-19   
203-437 7 Waterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-10-27   
203-441 8 Wolcott CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
203-445 6 Trumbull CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-03-17   
203-446 2 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-28   
203-446 3 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-28   
203-446 4 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
203-446 5 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-04   
203-456 2 Danbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-02-06   
203-460 8 Danbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
203-463 2 Seymour CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-18   
203-463 4 Seymour CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
203-487 4 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-487 5 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-487 8 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-10-24   
203-487 9 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-490 0 Naugatuck CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-17   
203-490 2 Naugatuck CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
203-490 4 Naugatuck CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
203-493 A Georgetown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-493 0 Georgetown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-11-11   
203-493 2 Georgetown CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-02   
203-502 7 Bridgeport CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-07-28   
203-504 7 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-05-05   
203-504 9 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-01-08   
203-513 3 Huntington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-07-21   
203-513 5 Huntington CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-05-26   
203-516 2 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-516 3 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-516 4 Ansonia-Derby CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-517 A Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-517 0 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-03-20   
203-517 4 Stamford CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-528 A Waterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-528 0 Waterbury CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-529 4 Wilton CT 4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-04-16   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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