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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-478 9   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-06-22   
720-479 A DNVRCOMDDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 0   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 1   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 3   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 4   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 5   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 6   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 7   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-479 8   318J COMCAST IP PHONE, LLC 656      
720-479 9   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-480 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-481 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-481 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-30   
720-481 1   5562 METROPCS, INC. 656   2014-09-30   
720-481 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-09-30   
720-481 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-09-30   
720-481 4   5562 METROPCS, INC. 656   2014-09-30   
720-481 5   5562 METROPCS, INC. 656   2014-09-30   
720-481 6   5562 METROPCS, INC. 656   2014-09-30   
720-481 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-29   
720-481 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-29   
720-481 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-29   
720-482 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-483 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-483 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-19   
720-483 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-18   
720-483 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-18   
720-483 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-18   
720-484 A DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-484 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-27   
720-484 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-27   
720-484 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-06-03   
720-484 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2011-09-15   
720-484 4   318J COMCAST IP PHONE, LLC 656   2011-09-16   
720-484 5   318J COMCAST IP PHONE, LLC 656   2011-09-16   
720-484 6   318J COMCAST IP PHONE, LLC 656   2011-09-16   
720-484 7   026D ONVOY, LLC - CO 656   2011-09-16   
720-484 8   026D ONVOY, LLC - CO 656   2011-09-16   
720-484 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-27   
720-485 A DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-485 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 3   318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 4   318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 5   318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 6   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-06-24   
720-485 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-486 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-486 0   318J COMCAST IP PHONE, LLC 656   2014-10-27   
720-486 1   5562 METROPCS, INC. 656   2014-10-03   
720-486 2   5562 METROPCS, INC. 656   2014-10-03   
720-486 3   5562 METROPCS, INC. 656   2014-10-03   
720-486 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-486 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-10-02   
720-488 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-489 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-490 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-490 0   6529 T-MOBILE USA, INC. 656      
720-490 1   6529 T-MOBILE USA, INC. 656      
720-490 2   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-490 3   6529 T-MOBILE USA, INC. 656      
720-490 4   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2007-09-13   
720-490 5   6529 T-MOBILE USA, INC. 656      
720-490 6   5562 METROPCS, INC. 656      
720-490 7   6529 T-MOBILE USA, INC. 656      
720-490 8   6529 T-MOBILE USA, INC. 656   2007-11-02   
720-490 9   6529 T-MOBILE USA, INC. 656   2007-11-02   
720-492 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-492 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-10-10   
720-492 1   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2015-06-22   
720-492 2   6529 T-MOBILE USA, INC. 656   2015-07-03   
720-492 3   6529 T-MOBILE USA, INC. 656   2014-10-23   
720-492 4   6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 5   6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 6   6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 7   6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 8   6529 T-MOBILE USA, INC. 656   2014-10-09   
720-492 9   6529 T-MOBILE USA, INC. 656   2014-10-09   
720-493 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-495 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-496 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-496 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2009-09-04   
720-496 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-11-14   
720-496 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2008-11-13   
720-496 3   6529 T-MOBILE USA, INC. 656   2007-05-19   

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

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