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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-258 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 3   318J COMCAST IP PHONE, LLC 656      
720-258 4   829J PAETEC ITEL, LLC 656   2008-08-24   
720-258 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-11   
720-258 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-258 7   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 8   829J PAETEC ITEL, LLC 656   2008-07-11   
720-258 9   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-259 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-259 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
720-259 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-259 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-05-16   
720-259 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
720-259 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-08   
720-260 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-260 0   6529 T-MOBILE USA, INC. 656      
720-260 1   6529 T-MOBILE USA, INC. 656      
720-260 2   6529 T-MOBILE USA, INC. 656      
720-260 3   6529 T-MOBILE USA, INC. 656      
720-260 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-260 5   6529 T-MOBILE USA, INC. 656      
720-260 6   6529 T-MOBILE USA, INC. 656      
720-260 7   6529 T-MOBILE USA, INC. 656      
720-260 8   6529 T-MOBILE USA, INC. 656      
720-260 9   6529 T-MOBILE USA, INC. 656      
720-261 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-262 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-262 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-06-30   
720-262 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-12-16   
720-262 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-262 3   026D ONVOY, LLC - CO 656   2006-02-04   
720-262 4   829J PAETEC ITEL, LLC 656   2001-09-05   
720-262 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-10-05   
720-262 6   6529 T-MOBILE USA, INC. 656   2008-07-31   
720-262 7   026D ONVOY, LLC - CO 656   2006-02-04   
720-262 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-07-20   
720-262 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-263 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-263 2   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2012-02-13   
720-263 3   026D ONVOY, LLC - CO 656   2010-08-31   
720-263 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-09-28   
720-263 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
720-263 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
720-263 8   732J NUSO, LLC 656   2024-12-04   
720-263 9   026D ONVOY, LLC - CO 656   2017-06-22   
720-264 A DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-265 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-265 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-24   
720-265 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-265 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-06-24   
720-266 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-266 0   6529 T-MOBILE USA, INC. 656   2009-07-17   
720-266 1   6529 T-MOBILE USA, INC. 656   2009-07-17   
720-266 2   829J PAETEC ITEL, LLC 656   2008-12-19   
720-266 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-05-19   
720-266 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-266 5   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2005-01-22   
720-266 6   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2005-08-25   
720-266 7   6529 T-MOBILE USA, INC. 656   2006-01-09   
720-266 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-02   
720-266 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-02   
720-267 A ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-268 A ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-269 A AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 0   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 1   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 3   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 4   318J COMCAST IP PHONE, LLC 656      
720-269 5   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 6   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 7   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 8   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-269 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-05-19   
720-270 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-270 0   6529 T-MOBILE USA, INC. 656   2009-07-17   
720-270 1   6529 T-MOBILE USA, INC. 656      
720-270 2   6529 T-MOBILE USA, INC. 656      
720-270 3   6529 T-MOBILE USA, INC. 656      
720-270 4   6529 T-MOBILE USA, INC. 656      
720-270 5   6529 T-MOBILE USA, INC. 656      
720-270 6   6529 T-MOBILE USA, INC. 656      
720-270 7   6529 T-MOBILE USA, INC. 656      
720-270 8   6529 T-MOBILE USA, INC. 656      
720-270 9   6529 T-MOBILE USA, INC. 656      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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