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Old Greenwich, CT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-277 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-277 0   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 1   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 2   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 3   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 4   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 5   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-277 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-06-01   
203-344 A NRWLCT02YMD  4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-344 0   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-10-15   
203-344 1   612K CSC VOICE, LLC 920      
203-344 2   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-03-01   
203-344 3   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-344 4   145J TERRA NOVA TELECOM INC. 920   2022-10-18   
203-344 5   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-07-03   
203-344 6   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-344 7   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
203-344 8   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-344 9   4950 CABLEVISION LIGHTPATH, INC. - CT 920      
203-369 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-369 0   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-11-28   
203-369 1   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-11-28   
203-369 2   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-11-28   
203-369 3   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-19   
203-369 4   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-19   
203-369 5   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-19   
203-369 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-19   
203-369 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-20   
203-369 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-20   
203-369 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-12-20   
203-409 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-409 0   829J PAETEC ITEL, LLC 920   2005-11-25   
203-409 1   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-409 2   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-24   
203-409 3   829J PAETEC ITEL, LLC 920   2001-09-03   
203-409 4   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-409 5   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-10   
203-409 6   829J PAETEC ITEL, LLC 920   2004-06-18   
203-409 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2003-09-07   
203-409 8   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-637 A OGNWCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 A OGNWCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 0   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 1   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 2   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 3   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 4   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 5   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-07-26   
203-698 6   829J PAETEC ITEL, LLC 920   2006-12-04   
203-698 7   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 8   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-698 9   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-827 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-827 0   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 1   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 2   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 3   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 4   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 5   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-02-04   
203-827 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-827 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-827 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-09-19   
203-986 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-986 0   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-08-02   
203-986 1   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-08-02   
203-986 2   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-08-02   
203-986 3   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-08-02   
203-986 4   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-08-02   
203-986 5   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-04-12   
203-986 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-04-12   
203-986 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-04-12   
203-986 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-04-12   
203-986 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2004-04-12   
203-990 A SMFRCTDSDS0  7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920      
203-990 0   612K CSC VOICE, LLC 920   2007-11-16   
203-990 1   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-990 2   508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
203-990 3   612K CSC VOICE, LLC 920   2013-09-14   
203-990 4   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-990 5   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
203-990 6   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2007-02-22   
203-990 7   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-03-24   
203-990 8   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-03-24   
203-990 9   7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT 920   2005-03-24   
475-249 A OGNWCT00RS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
475-249 0   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 1   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 2   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 3   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 4   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 5   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 6   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 7   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 8   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-249 9   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2014-08-21   
475-340 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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