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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
303-954 2   9636 QWEST CORPORATION 656   2005-10-28   
303-954 3   9636 QWEST CORPORATION 656   2005-10-28   
303-954 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-954 5   9636 QWEST CORPORATION 656   2005-10-28   
303-954 6   9636 QWEST CORPORATION 656   2005-10-28   
303-954 7   9636 QWEST CORPORATION 656   2005-10-28   
303-954 8   318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-954 9   318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-955 A   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-955 0   318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 1   318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 2   318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 3   026D ONVOY, LLC - CO 656   2024-12-14   
303-955 4   318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 5   318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 6   318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 7   318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-955 8   318J COMCAST IP PHONE, LLC 656   2006-12-29   
303-955 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 A   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-957 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-07-18   
303-957 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-07-18   
303-957 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-07-18   
303-957 9   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
303-960 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-961 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-961 0   6529 T-MOBILE USA, INC. 656      
303-961 1   6529 T-MOBILE USA, INC. 656      
303-961 2   6529 T-MOBILE USA, INC. 656      
303-961 3   6529 T-MOBILE USA, INC. 656      
303-961 4   6529 T-MOBILE USA, INC. 656      
303-961 5   6529 T-MOBILE USA, INC. 656      
303-961 6   6529 T-MOBILE USA, INC. 656      
303-961 7   6529 T-MOBILE USA, INC. 656      
303-961 8   6529 T-MOBILE USA, INC. 656      
303-961 9   6529 T-MOBILE USA, INC. 656      
303-962 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-962 0   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 1   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 2   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 3   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 4   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 5   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 6   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 7   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 8   026D ONVOY, LLC - CO 656   2005-09-12   
303-962 9   026D ONVOY, LLC - CO 656   2005-09-12   
303-963 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 0   026D ONVOY, LLC - CO 656   2022-07-16   
303-963 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 5   318J COMCAST IP PHONE, LLC 656   2007-01-13   
303-963 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-22   
303-963 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-963 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-964 A DNVRCONODS0  9636 QWEST CORPORATION 656      
303-965 A DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-966 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-967 A DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-967 0   9636 QWEST CORPORATION 656      
303-967 1   9636 QWEST CORPORATION 656      
303-967 2   9636 QWEST CORPORATION 656      
303-967 3   939H COMMIO, LLC 656   2024-03-23   
303-967 4   9636 QWEST CORPORATION 656      
303-967 5   9636 QWEST CORPORATION 656      
303-967 6   9636 QWEST CORPORATION 656      
303-967 7   9636 QWEST CORPORATION 656      
303-967 8   9636 QWEST CORPORATION 656      
303-967 9   9636 QWEST CORPORATION 656      
303-968 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-968 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-08-31   
303-968 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-968 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-968 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-968 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-14   
303-968 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-21   
303-968 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-09-07   
303-968 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-21   
303-968 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-21   
303-968 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-09-07   
303-969 A DNVRCOSWDS0  9636 QWEST CORPORATION 656      
303-971 A DNVRCOCLDS0  9636 QWEST CORPORATION 656      
303-972 A DNVRCOCLDS0  9636 QWEST CORPORATION 656      
303-973 A DNVRCOCLDS0  9636 QWEST CORPORATION 656      
303-974 A   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-974 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-11-05   
303-974 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-974 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2006-11-30   
303-974 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-974 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-974 5   318J COMCAST IP PHONE, LLC 656   2007-06-01   

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

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