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Seymour, CT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-463 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-463 0   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2010-03-23   
203-463 1   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-463 2   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-12-18   
203-463 3   829J PAETEC ITEL, LLC 920   2005-08-26   
203-463 4   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
203-463 5   639C ONVOY, LLC - CT 920   2019-02-18   
203-463 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2008-08-01   
203-463 7   829J PAETEC ITEL, LLC 920   2003-09-16   
203-463 8   318J COMCAST IP PHONE, LLC 920   2006-11-22   
203-463 9   829J PAETEC ITEL, LLC 920   2002-02-22   
203-828 A   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2025-04-26   
203-828 0   199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-828 1   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-09-16   
203-828 2   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-828 3   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-828 4   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-828 5   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-828 6   318J COMCAST IP PHONE, LLC 920   2010-01-10   
203-828 7   5562 METROPCS, INC. 920   2005-12-02   
203-828 8   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2002-12-16   
203-881 A SYMRCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 0   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 1   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 2   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 3   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 4   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 5   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 6   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-881 7   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 8   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-881 9   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-888 A SYMRCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-941 A HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
203-941 0   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-11-19   
203-941 1   199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-10-13   
203-941 2   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-03-03   
203-941 3   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-08   
203-941 4   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-941 5   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-941 6   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-941 7   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-941 8   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2012-10-22   
203-941 9   5562 METROPCS, INC. 920   2011-03-02   
475-362 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-04-22   
475-362 0   639C ONVOY, LLC - CT 920   2024-04-22   
475-362 3   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   
475-362 9   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2024-11-20   
475-463 A HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
475-463 0   515J IP HORIZON LLC 920   2022-07-29   
475-463 2   490J DISH WIRELESS, LLC 920   2023-05-14   
475-463 3   624H ONVOY SPECTRUM, LLC 920   2022-03-20   
475-463 4   624H ONVOY SPECTRUM, LLC 920   2022-03-20   
475-463 5   145J TERRA NOVA TELECOM INC. 920   2024-05-02   
475-463 6   516J TON80 COMMUNICATIONS, LLC 920   2022-03-19   
475-463 7   639C ONVOY, LLC - CT 920   2023-08-18   
475-463 8   639C ONVOY, LLC - CT 920   2023-08-18   
475-463 9   639C ONVOY, LLC - CT 920   2023-08-18   
475-600 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-600 0   639C ONVOY, LLC - CT 920   2019-09-13   
475-600 1   624H ONVOY SPECTRUM, LLC 920   2021-03-12   
475-600 2   199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-13   
475-600 3   199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-12-13   
475-600 5   639C ONVOY, LLC - CT 920   2021-04-15   
475-600 6   639C ONVOY, LLC - CT 920   2019-09-13   
475-600 7   639C ONVOY, LLC - CT 920   2021-04-15   
475-600 8   639C ONVOY, LLC - CT 920   2020-07-05   
475-600 9   639C ONVOY, LLC - CT 920   2020-07-05   
475-675 A HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-675 0   199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-03-31   
475-675 1   639C ONVOY, LLC - CT 920   2015-05-08   
475-675 2   318J COMCAST IP PHONE, LLC 920   2014-09-10   
475-675 3   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-29   
475-675 4   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2021-09-30   
475-675 5   318J COMCAST IP PHONE, LLC 920   2014-03-17   
475-675 6   073H TELNYX LLC 920   2018-05-02   
475-675 7   508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-16   
475-675 8   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   
475-675 9   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-04-29   

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

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