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Marlboro, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
508-229 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-251 A NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
508-251 0   318J COMCAST IP PHONE, LLC 128      
508-251 1   318J COMCAST IP PHONE, LLC 128      
508-251 2   318J COMCAST IP PHONE, LLC 128      
508-251 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-10-27   
508-251 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-02-18   
508-251 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-07   
508-251 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-30   
508-251 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-10-27   
508-251 8   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-11-19   
508-251 9   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-263 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-263 0   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-21   
508-263 1   9102 VERIZON NEW ENGLAND INC. 128      
508-263 2   9102 VERIZON NEW ENGLAND INC. 128      
508-263 3   9102 VERIZON NEW ENGLAND INC. 128      
508-263 4   9102 VERIZON NEW ENGLAND INC. 128      
508-263 5   9102 VERIZON NEW ENGLAND INC. 128      
508-263 6   9102 VERIZON NEW ENGLAND INC. 128      
508-263 7   9102 VERIZON NEW ENGLAND INC. 128      
508-263 8   9102 VERIZON NEW ENGLAND INC. 128      
508-263 9   829J PAETEC ITEL, LLC 128   2003-07-28   
508-281 A   829J PAETEC ITEL, LLC 128      
508-281 0   792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
508-281 1   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-17   
508-281 2   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-27   
508-281 3   829J PAETEC ITEL, LLC 128   2005-07-13   
508-281 4   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-03-24   
508-281 5   829J PAETEC ITEL, LLC 128      
508-281 6   829J PAETEC ITEL, LLC 128      
508-281 7   829J PAETEC ITEL, LLC 128      
508-281 8   829J PAETEC ITEL, LLC 128   2005-11-10   
508-281 9   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
508-303 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-305 A   7135 TC SYSTEMS, INC. 128      
508-305 0   7135 TC SYSTEMS, INC. 128      
508-305 1   7135 TC SYSTEMS, INC. 128      
508-305 2   318J COMCAST IP PHONE, LLC 128   2007-02-08   
508-305 3   7135 TC SYSTEMS, INC. 128      
508-305 4   7135 TC SYSTEMS, INC. 128      
508-305 5   829J PAETEC ITEL, LLC 128   2019-03-22   
508-305 6   7135 TC SYSTEMS, INC. 128      
508-305 7   990E BANDWIDTH.COM CLEC, LLC - MA 128      
508-305 8   7135 TC SYSTEMS, INC. 128      
508-305 9   7135 TC SYSTEMS, INC. 128      
508-357 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-357 0   145J TERRA NOVA TELECOM INC. 128   2024-08-11   
508-357 1   9102 VERIZON NEW ENGLAND INC. 128      
508-357 2   9102 VERIZON NEW ENGLAND INC. 128      
508-357 3   9102 VERIZON NEW ENGLAND INC. 128      
508-357 4   9102 VERIZON NEW ENGLAND INC. 128      
508-357 5   9102 VERIZON NEW ENGLAND INC. 128      
508-357 6   9102 VERIZON NEW ENGLAND INC. 128      
508-357 7   9102 VERIZON NEW ENGLAND INC. 128      
508-357 8   9102 VERIZON NEW ENGLAND INC. 128      
508-357 9   9102 VERIZON NEW ENGLAND INC. 128      
508-382 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
508-382 0   7135 TC SYSTEMS, INC. 128      
508-382 1   7135 TC SYSTEMS, INC. 128      
508-382 2   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-06-30   
508-382 3   7135 TC SYSTEMS, INC. 128      
508-382 4   7135 TC SYSTEMS, INC. 128   2007-04-06   
508-382 5   7135 TC SYSTEMS, INC. 128      
508-382 8   7135 TC SYSTEMS, INC. 128      
508-382 9   7135 TC SYSTEMS, INC. 128      
508-449 A   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 0   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
508-449 2   7135 TC SYSTEMS, INC. 128   2004-07-09   
508-449 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 4   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 6   829J PAETEC ITEL, LLC 128   2007-07-05   
508-449 7   829J PAETEC ITEL, LLC 128   2007-08-10   
508-449 8   829J PAETEC ITEL, LLC 128   2007-08-10   
508-449 9   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2013-09-16   
508-460 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-467 A MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
508-480 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-480 0   9102 VERIZON NEW ENGLAND INC. 128      
508-480 1   9102 VERIZON NEW ENGLAND INC. 128      
508-480 2   9102 VERIZON NEW ENGLAND INC. 128      
508-480 3   9102 VERIZON NEW ENGLAND INC. 128      
508-480 4   9102 VERIZON NEW ENGLAND INC. 128      
508-480 5   316E YMAX COMMUNICATIONS CORP. - MA 128   2008-03-08   
508-480 6   9102 VERIZON NEW ENGLAND INC. 128      
508-480 7   9102 VERIZON NEW ENGLAND INC. 128      
508-480 8   9102 VERIZON NEW ENGLAND INC. 128      
508-480 9   9102 VERIZON NEW ENGLAND INC. 128      
508-481 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-485 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-486 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-490 A MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-573 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-573 0   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-05-03   
508-573 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-573 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-573 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-573 4   829J PAETEC ITEL, LLC 128   2008-05-06   
508-573 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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