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Groton, MA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
351-251 A BSTPMALLDS3  892D ONVOY, LLC - MA 128      
351-251 0   624H ONVOY SPECTRUM, LLC 128   2021-11-27   
351-251 1   892D ONVOY, LLC - MA 128   2021-06-13   
351-251 2   892D ONVOY, LLC - MA 128   2021-06-13   
351-251 3   892D ONVOY, LLC - MA 128   2021-07-10   
351-251 4   892D ONVOY, LLC - MA 128   2021-07-10   
351-251 5   892D ONVOY, LLC - MA 128   2021-06-03   
351-251 6   490J DISH WIRELESS, LLC 128   2023-12-01   
351-251 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-07-04   
351-251 8   624H ONVOY SPECTRUM, LLC 128   2021-11-27   
351-251 9   892D ONVOY, LLC - MA 128   2024-03-07   
978-272 A BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-272 0   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-272 1   792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
978-272 2   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-272 3   515J IP HORIZON LLC 128      
978-272 4   515J IP HORIZON LLC 128      
978-272 6   829J PAETEC ITEL, LLC 128   2008-04-16   
978-272 7   829J PAETEC ITEL, LLC 128   2006-06-27   
978-272 8   515J IP HORIZON LLC 128      
978-272 9   990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-302 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-448 A GRTNMAHORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-449 A GRTNMAHORP0  9102 VERIZON NEW ENGLAND INC. 128      
978-449 0   9102 VERIZON NEW ENGLAND INC. 128      
978-449 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-08-24   
978-449 2   7135 TC SYSTEMS, INC. 128      
978-449 3   7135 TC SYSTEMS, INC. 128      
978-449 4   892D ONVOY, LLC - MA 128   2012-03-15   
978-449 5   829J PAETEC ITEL, LLC 128   2011-12-08   
978-449 6   9102 VERIZON NEW ENGLAND INC. 128      
978-449 7   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
978-449 9   9102 VERIZON NEW ENGLAND INC. 128      
978-708 A SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-708 0   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-11-24   
978-708 1   892D ONVOY, LLC - MA 128   2016-03-22   
978-708 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-21   
978-708 3   624H ONVOY SPECTRUM, LLC 128   2021-04-09   
978-708 4   892D ONVOY, LLC - MA 128   2016-03-22   
978-708 5   732H BARR TELL USA, INC. - MA 128   2016-01-01   
978-708 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-10-01   
978-708 7   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
978-708 8   073H TELNYX LLC 128   2017-04-28   
978-708 9   515J IP HORIZON LLC 128   2017-07-06   
978-732 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-732 0   318J COMCAST IP PHONE, LLC 128   2005-08-17   
978-732 1   829J PAETEC ITEL, LLC 128   2005-12-23   
978-732 2   7135 TC SYSTEMS, INC. 128      
978-732 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-03-04   
978-732 4   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-05-24   
978-732 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-07-25   
978-732 6   316E YMAX COMMUNICATIONS CORP. - MA 128   2009-03-25   
978-732 7   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-22   
978-732 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-09-01   
978-732 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-01-02   
978-842 A CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 0   145J TERRA NOVA TELECOM INC. 128   2021-09-23   
978-842 1   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
978-842 2   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 3   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-04-22   
978-842 4   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 5   892D ONVOY, LLC - MA 128   2010-03-15   
978-842 6   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-842 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-11-12   
978-842 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2013-05-01   
978-842 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-09-27   
978-877 A CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-877 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-11-09   
978-877 1   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2002-11-09   
978-877 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-04-30   
978-877 3   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-02   
978-877 4   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-13   
978-877 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-11   
978-877 6   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-03-04   
978-877 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-08-10   
978-877 8   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-08-10   
978-877 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-08-01   

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

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