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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
303-483 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-08-15   
303-483 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-483 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-08-15   
303-483 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-483 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-08-15   
303-483 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2022-07-16   
303-483 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-483 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2005-08-15   
303-483 9   6529 T-MOBILE USA, INC. 656   2021-07-05   
303-484 A AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 0   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 1   318J COMCAST IP PHONE, LLC 656      
303-484 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 3   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 4   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 5   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 6   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 7   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-484 8   318J COMCAST IP PHONE, LLC 656      
303-484 9   318J COMCAST IP PHONE, LLC 656      
303-486 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-487 A WMNSCOMADS0  9636 QWEST CORPORATION 656      
303-488 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-489 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-490 A DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-491 A DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-491 0   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 1   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 2   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 3   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 4   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 5   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 6   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 7   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 8   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-491 9   624H ONVOY SPECTRUM, LLC 656   2022-06-24   
303-492 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-493 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-493 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-493 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-20   
303-493 2   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
303-493 3   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
303-493 4   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
303-493 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-493 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-493 7   9636 QWEST CORPORATION 656      
303-493 8   9636 QWEST CORPORATION 656      
303-493 9   026D ONVOY, LLC - CO 656   2021-08-25   
303-494 A TEMACOMADS0  9636 QWEST CORPORATION 656      
303-495 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-495 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-02-19   
303-495 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-495 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2005-07-18   
303-495 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2005-07-18   
303-495 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-02-19   
303-495 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2005-07-18   
303-495 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-495 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-495 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-02-23   
303-495 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-02-23   
303-496 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-496 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-496 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-05-30   
303-497 A TEMACOMADS0  9636 QWEST CORPORATION 656      
303-498 A DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
303-498 0   318J COMCAST IP PHONE, LLC 656   2005-06-13   
303-498 1   9636 QWEST CORPORATION 656   2006-12-04   
303-498 2   9636 QWEST CORPORATION 656   2007-06-15   
303-498 3   9636 QWEST CORPORATION 656   2007-06-15   
303-498 4   9636 QWEST CORPORATION 656   2007-07-06   
303-498 5   624H ONVOY SPECTRUM, LLC 656   2021-05-24   
303-498 6   9636 QWEST CORPORATION 656   2007-07-06   
303-498 7   026D ONVOY, LLC - CO 656   2012-10-27   
303-498 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-06-24   
303-498 9   026D ONVOY, LLC - CO 656   2009-03-23   
303-499 A TEMACOMADS0  9636 QWEST CORPORATION 656      
303-501 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-501 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 1   829J PAETEC ITEL, LLC 656   2007-09-20   
303-501 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-31   
303-501 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-31   
303-501 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-31   
303-501 8   026D ONVOY, LLC - CO 656   2006-12-28   
303-501 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-11   
303-503 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-504 A DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-505 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-505 0   6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 1   6529 T-MOBILE USA, INC. 656   2012-12-24   

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

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