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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-401 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-401 0   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 1   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 2   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 3   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 4   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 5   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 6   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 7   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 8   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-401 9   6529 T-MOBILE USA, INC. 656   2009-02-27   
720-402 A DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-402 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-27   
720-402 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-06-27   
720-402 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-06-27   
720-402 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2011-06-24   
720-402 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-27   
720-402 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-11   
720-402 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-11   
720-402 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-11   
720-402 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-01   
720-402 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-01   
720-403 A DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-403 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 2   026D ONVOY, LLC - CO 656   2014-04-03   
720-403 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 5   5562 METROPCS, INC. 656   2013-11-11   
720-403 6   5562 METROPCS, INC. 656   2013-11-11   
720-403 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 8   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-11-10   
720-403 9   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-11-10   
720-404 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-405 A DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656      
720-405 0   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 1   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 2   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 3   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 4   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 5   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 6   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 7   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 8   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 9   809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-406 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-407 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-407 0   026D ONVOY, LLC - CO 656      
720-407 1   026D ONVOY, LLC - CO 656      
720-407 2   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 3   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 4   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 5   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 6   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 7   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 8   026D ONVOY, LLC - CO 656   2006-10-12   
720-407 9   9636 QWEST CORPORATION 656   2008-11-24   
720-408 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-408 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-12   
720-408 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-08-26   
720-408 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-18   
720-408 3   026D ONVOY, LLC - CO 656   2013-04-14   
720-408 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-408 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-408 6   026D ONVOY, LLC - CO 656   2013-11-07   
720-408 7   026D ONVOY, LLC - CO 656   2013-11-07   
720-408 8   318J COMCAST IP PHONE, LLC 656   2014-01-23   
720-408 9   318J COMCAST IP PHONE, LLC 656   2014-07-07   
720-409 A DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-409 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-09   
720-409 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-09   
720-409 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-09   
720-409 4   829J PAETEC ITEL, LLC 656   2012-01-21   
720-409 5   829J PAETEC ITEL, LLC 656   2012-01-21   
720-409 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-410 A DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-410 0   5562 METROPCS, INC. 656   2014-08-15   
720-410 1   5562 METROPCS, INC. 656   2014-08-15   
720-410 2   318J COMCAST IP PHONE, LLC 656   2014-08-11   
720-410 3   5562 METROPCS, INC. 656   2014-08-15   
720-410 4   5562 METROPCS, INC. 656   2014-08-15   
720-410 5   026D ONVOY, LLC - CO 656   2014-09-26   
720-410 6   026D ONVOY, LLC - CO 656   2014-09-26   
720-410 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-20   
720-410 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-05-26   
720-410 9   026D ONVOY, LLC - CO 656   2014-10-24   
720-412 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-412 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   

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

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