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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-238 9   6529 T-MOBILE USA, INC. 656      
720-239 A   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-239 0   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-239 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-10-09   
720-239 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-239 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-11   
720-239 4   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-239 7   508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-08-05   
720-239 8   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-240 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 1   6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 3   6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 6   6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 7   6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 8   6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-10-09   
720-241 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-17   
720-241 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-31   
720-241 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-31   
720-241 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-14   
720-241 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-14   
720-241 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-28   
720-241 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-28   
720-242 A DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-242 0   598J FIVE9, INC. 656   2023-06-16   
720-242 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-06-24   
720-242 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-06-24   
720-242 3   9636 QWEST CORPORATION 656   2008-12-15   
720-242 4   9636 QWEST CORPORATION 656   2008-12-15   
720-242 5   026D ONVOY, LLC - CO 656   2008-12-18   
720-242 6   318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-242 7   318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-242 8   318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-242 9   318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-243 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-243 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-08-28   
720-243 1   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 2   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 3   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 4   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 5   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 6   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 7   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 8   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 9   6529 T-MOBILE USA, INC. 656   2009-10-16   
720-244 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-245 A DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-245 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-01-09   
720-245 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-01-09   
720-245 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-01-05   
720-245 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-01-09   
720-245 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-06   
720-245 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-06   
720-245 6   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-01-06   
720-245 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-06   
720-245 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-01-10   
720-245 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-01-10   
720-246 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-247 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-247 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-248 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-248 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
720-248 1   026D ONVOY, LLC - CO 656      
720-248 2   026D ONVOY, LLC - CO 656   2006-07-10   
720-248 3   026D ONVOY, LLC - CO 656   2006-07-10   
720-248 4   026D ONVOY, LLC - CO 656   2006-07-10   
720-248 5   026D ONVOY, LLC - CO 656   2006-07-10   
720-248 6   026D ONVOY, LLC - CO 656   2006-07-10   
720-248 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
720-248 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
720-248 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
720-249 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   

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

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