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Dorchester, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
617-265 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-282 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-287 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-288 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-297 A   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-297 0   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-297 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-04-25   
617-297 2   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
617-297 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-297 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-04-25   
617-297 5   318J COMCAST IP PHONE, LLC 128   2005-01-20   
617-297 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-12-15   
617-297 7   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-19   
617-297 8   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-19   
617-297 9   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2012-04-27   
617-326 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 2   892D ONVOY, LLC - MA 128   2010-03-15   
617-326 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
617-326 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 5   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-06-16   
617-326 6   318J COMCAST IP PHONE, LLC 128   2012-10-05   
617-326 7   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-05   
617-326 8   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-01   
617-326 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-22   
617-379 A STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-379 0   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-01   
617-379 1   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2007-05-24   
617-379 2   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-07-14   
617-379 3   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-29   
617-379 4   7135 TC SYSTEMS, INC. 128   2003-11-30   
617-379 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
617-379 6   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-15   
617-379 7   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-15   
617-379 8   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-379 9   7619 RCN TELECOM SERVICES, INC. - MA 128      
617-436 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-446 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 3   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-19   
617-446 4   515J IP HORIZON LLC 128   2013-09-01   
617-446 5   892D ONVOY, LLC - MA 128   2010-04-07   
617-446 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 7   892D ONVOY, LLC - MA 128   2023-08-17   
617-446 8   145J TERRA NOVA TELECOM INC. 128   2023-06-22   
617-446 9   892D ONVOY, LLC - MA 128   2023-08-17   
617-474 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-474 0   9102 VERIZON NEW ENGLAND INC. 128      
617-474 1   9102 VERIZON NEW ENGLAND INC. 128      
617-474 2   9102 VERIZON NEW ENGLAND INC. 128      
617-474 3   9102 VERIZON NEW ENGLAND INC. 128      
617-474 4   9102 VERIZON NEW ENGLAND INC. 128      
617-474 5   9102 VERIZON NEW ENGLAND INC. 128      
617-474 6   892D ONVOY, LLC - MA 128   2023-08-17   
617-474 7   9102 VERIZON NEW ENGLAND INC. 128      
617-474 8   9102 VERIZON NEW ENGLAND INC. 128      
617-474 9   9102 VERIZON NEW ENGLAND INC. 128      
617-506 A   829J PAETEC ITEL, LLC 128      
617-506 0   318J COMCAST IP PHONE, LLC 128   2006-02-17   
617-506 1   318J COMCAST IP PHONE, LLC 128   2006-02-17   
617-506 2   829J PAETEC ITEL, LLC 128   2004-06-25   
617-506 3   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
617-506 4   9102 VERIZON NEW ENGLAND INC. 128   2004-06-25   
617-506 5   829J PAETEC ITEL, LLC 128   2005-11-20   
617-506 6   829J PAETEC ITEL, LLC 128      
617-506 7   318J COMCAST IP PHONE, LLC 128   2009-03-22   
617-506 8   318J COMCAST IP PHONE, LLC 128   2007-10-12   
617-506 9   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
617-514 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-514 0   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-03-01   
617-514 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-514 2   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-03-01   
617-514 3   318J COMCAST IP PHONE, LLC 128   2008-03-07   
617-514 4   318J COMCAST IP PHONE, LLC 128   2008-03-07   
617-514 5   7135 TC SYSTEMS, INC. 128   2010-04-30   
617-514 6   318J COMCAST IP PHONE, LLC 128   2013-01-05   
617-514 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-07-03   
617-514 8   7135 TC SYSTEMS, INC. 128   2011-09-22   
617-514 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-533 A DRCHMAADRP0  9102 VERIZON NEW ENGLAND INC. 128      
617-533 0   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-26   
617-533 1   9102 VERIZON NEW ENGLAND INC. 128      
617-533 2   9102 VERIZON NEW ENGLAND INC. 128      
617-533 3   892D ONVOY, LLC - MA 128   2023-07-08   
617-533 4   9102 VERIZON NEW ENGLAND INC. 128      
617-533 5   9102 VERIZON NEW ENGLAND INC. 128      
617-533 6   9102 VERIZON NEW ENGLAND INC. 128      
617-533 7   318J COMCAST IP PHONE, LLC 128   2006-11-14   
617-533 8   318J COMCAST IP PHONE, LLC 128   2006-11-14   
617-533 9   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2012-01-20   
617-704 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-704 0   5562 METROPCS, INC. 128   2011-12-05   
617-704 1   5562 METROPCS, INC. 128   2011-12-05   
617-704 2   5562 METROPCS, INC. 128   2011-12-05   
617-704 3   5562 METROPCS, INC. 128   2011-12-05   
617-704 4   829J PAETEC ITEL, LLC 128   2009-04-24   
617-704 5   829J PAETEC ITEL, LLC 128   2011-11-18   

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

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