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Guilford, CT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
203-204 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-204 0   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
203-204 1   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-01   
203-204 2   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-01   
203-204 3   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-09-09   
203-204 4   639C ONVOY, LLC - CT 920   2019-02-18   
203-204 5   639C ONVOY, LLC - CT 920   2019-02-18   
203-204 6   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
203-204 7   639C ONVOY, LLC - CT 920   2019-02-18   
203-204 8   199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-05-19   
203-204 9   639C ONVOY, LLC - CT 920   2019-02-18   
203-453 A GUFDCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-457 A MDSNCT02RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-457 0   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-457 1   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-457 2   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-457 3   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2018-10-20   
203-457 4   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-457 5   318J COMCAST IP PHONE, LLC 920   2015-02-04   
203-457 6   639C ONVOY, LLC - CT 920   2019-02-18   
203-457 7   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-09-07   
203-457 8   639C ONVOY, LLC - CT 920   2019-02-18   
203-457 9   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-458 A GUFDCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
203-533 A SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
203-533 0   639C ONVOY, LLC - CT 920   2019-02-18   
203-533 1   199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-02-28   
203-533 2   199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-10-06   
203-533 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2012-02-01   
203-533 4   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-04-16   
203-533 5   318J COMCAST IP PHONE, LLC 920   2004-12-18   
203-533 6   829J PAETEC ITEL, LLC 920   2009-12-11   
203-533 7   318J COMCAST IP PHONE, LLC 920   2012-12-17   
203-533 8   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-533 9   199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
203-689 A NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-689 0   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
203-689 1   829J PAETEC ITEL, LLC 920   2006-02-02   
203-689 2   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-08   
203-689 3   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
203-689 4   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-07-24   
203-689 5   318J COMCAST IP PHONE, LLC 920   2009-08-23   
203-689 6   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-06-30   
203-689 7   199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-06-30   
203-689 8   199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-10   
203-689 9   7421 AT&T - LOCAL 920      
203-738 A   829J PAETEC ITEL, LLC 920      
203-738 0   829J PAETEC ITEL, LLC 920      
203-738 1   829J PAETEC ITEL, LLC 920      
203-738 2   829J PAETEC ITEL, LLC 920      
203-738 3   829J PAETEC ITEL, LLC 920      
203-738 4   829J PAETEC ITEL, LLC 920      
203-738 5   639C ONVOY, LLC - CT 920   2016-04-24   
203-738 6   829J PAETEC ITEL, LLC 920   2010-06-20   
203-738 7   508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-08   
203-738 8   5562 METROPCS, INC. 920   2010-07-16   
203-738 9   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2002-12-14   
203-884 A   639C ONVOY, LLC - CT 920      
203-884 0   639C ONVOY, LLC - CT 920   2015-05-09   
203-884 1   639C ONVOY, LLC - CT 920   2016-04-24   
203-884 2   624H ONVOY SPECTRUM, LLC 920   2021-11-08   
203-884 3   624H ONVOY SPECTRUM, LLC 920   2021-02-24   
203-884 4   624H ONVOY SPECTRUM, LLC 920   2024-05-31   
203-884 5   624H ONVOY SPECTRUM, LLC 920   2021-02-24   
203-884 6   199F BANDWIDTH.COM CLEC, LLC - CT 920   2016-07-14   
203-884 7   639C ONVOY, LLC - CT 920   2019-02-18   
203-884 8   073H TELNYX LLC 920   2018-05-02   
203-884 9   624H ONVOY SPECTRUM, LLC 920   2025-10-04   
475-274 A HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
475-274 0   199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-13   
475-274 1   515J IP HORIZON LLC 920   2022-07-29   
475-274 2   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   
475-274 3   639C ONVOY, LLC - CT 920   2023-08-18   
475-274 4   624H ONVOY SPECTRUM, LLC 920   2021-10-11   
475-274 5   624H ONVOY SPECTRUM, LLC 920   2021-10-29   
475-274 6   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2021-01-04   
475-274 7   516J TON80 COMMUNICATIONS, LLC 920   2021-07-01   
475-274 8   624H ONVOY SPECTRUM, LLC 920   2021-11-01   
475-274 9   490J DISH WIRELESS, LLC 920   2023-05-21   
475-900 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
475-900 0   073H TELNYX LLC 920   2019-09-14   
475-900 1   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2019-11-16   
475-900 2   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-01-15   
475-900 3   639C ONVOY, LLC - CT 920   2020-07-06   
475-900 4   639C ONVOY, LLC - CT 920   2020-07-06   
475-900 5   639C ONVOY, LLC - CT 920   2020-07-06   
475-900 6   199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-08-09   
475-900 7   639C ONVOY, LLC - CT 920   2019-09-13   
475-900 8   639C ONVOY, LLC - CT 920   2019-09-13   
475-900 9   199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-05-23   

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

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