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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-458 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-12   
720-458 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-13   
720-458 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-13   
720-459 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-459 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-09-12   
720-459 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-09-12   
720-459 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-09-12   
720-459 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-05-29   
720-459 4   026D ONVOY, LLC - CO 656   2010-12-13   
720-459 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-21   
720-459 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-21   
720-459 7   318J COMCAST IP PHONE, LLC 656   2012-06-28   
720-459 8   318J COMCAST IP PHONE, LLC 656   2012-06-28   
720-459 9   026D ONVOY, LLC - CO 656   2010-12-13   
720-460 A DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-460 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-08   
720-460 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-08   
720-460 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-01-11   
720-460 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-03-09   
720-460 4   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-03-09   
720-460 5   829J PAETEC ITEL, LLC 656   2014-01-17   
720-460 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-460 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-460 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-04-04   
720-460 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-08   
720-461 A DNVRCOII3MD  5562 METROPCS, INC. 656      
720-461 0   5562 METROPCS, INC. 656   2016-02-12   
720-461 1   5562 METROPCS, INC. 656   2016-02-12   
720-461 2   5562 METROPCS, INC. 656   2016-03-23   
720-461 3   5562 METROPCS, INC. 656   2016-03-23   
720-461 4   5562 METROPCS, INC. 656   2016-04-20   
720-461 5   5562 METROPCS, INC. 656   2016-04-20   
720-461 6   5562 METROPCS, INC. 656   2016-04-20   
720-461 7   5562 METROPCS, INC. 656   2016-05-18   
720-461 8   5562 METROPCS, INC. 656   2016-05-18   
720-461 9   5562 METROPCS, INC. 656   2016-02-12   
720-462 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-462 0   6529 T-MOBILE USA, INC. 656   2017-01-08   
720-462 1   6529 T-MOBILE USA, INC. 656   2017-01-08   
720-462 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-01-07   
720-462 8   6529 T-MOBILE USA, INC. 656   2017-01-08   
720-462 9   6529 T-MOBILE USA, INC. 656   2017-01-08   
720-464 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-464 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-464 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-21   
720-464 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-21   
720-465 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-465 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-03-02   
720-465 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-04-13   
720-465 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 6   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-15   
720-465 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-15   
720-465 9   318J COMCAST IP PHONE, LLC 656   2012-05-06   
720-467 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-467 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-467 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-02-24   
720-468 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-468 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2009-09-28   
720-468 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-03-05   
720-468 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-03-05   
720-468 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-03-05   
720-468 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-468 5   114J EXIANT COMMUNICATIONS LLC 656   2025-10-05   
720-468 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-09   
720-468 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-16   
720-468 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-16   
720-468 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-04-16   
720-469 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-469 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-06   
720-469 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-28   
720-469 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-06   
720-469 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-06   
720-469 4   6529 T-MOBILE USA, INC. 656   2011-11-21   
720-469 5   6529 T-MOBILE USA, INC. 656   2011-11-21   
720-469 6   6529 T-MOBILE USA, INC. 656   2011-11-21   
720-469 7   6529 T-MOBILE USA, INC. 656   2011-11-21   

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

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