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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-402 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-11   
720-402 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-11   
720-402 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-01   
720-402 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-01   
720-403 A Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-403 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-04-03   
720-403 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 5 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2013-11-11   
720-403 6 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2013-11-11   
720-403 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-03   
720-403 8 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-11-10   
720-403 9 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-11-10   
720-404 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-405 A Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656      
720-405 0 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 1 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 2 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 3 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 4 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 5 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 6 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 7 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 8 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-405 9 Denver CO DNVRCOMA16Z  809C INTRADO COMMUNICATIONS, LLC 656   2013-10-21   
720-406 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-407 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-407 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-407 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-407 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-10-12   
720-407 9 Denver CO PRKRCOMADS0  9636 QWEST CORPORATION 656   2008-11-24   
720-408 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-408 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-12   
720-408 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-08-26   
720-408 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-18   
720-408 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-14   
720-408 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-408 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-408 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-11-07   
720-408 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-11-07   
720-408 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-01-23   
720-408 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-07   
720-409 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-409 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-09   
720-409 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-09   
720-409 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-07-09   
720-409 4 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2012-01-21   
720-409 5 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2012-01-21   
720-409 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-409 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-02-13   
720-410 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-410 0 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-08-15   
720-410 1 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-08-15   
720-410 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-08-11   
720-410 3 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-08-15   
720-410 4 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2014-08-15   
720-410 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-09-26   
720-410 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-09-26   
720-410 7 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-20   
720-410 8 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-05-26   
720-410 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-10-24   
720-412 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-412 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-27   
720-412 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-412 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-08-30   
720-413 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-413 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-01   
720-413 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-01   
720-413 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-10   
720-413 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-10   
720-413 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-24   
720-413 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-24   
720-413 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-12-08   
720-413 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-12-08   
720-413 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-19   
720-413 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-11-19   
720-414 A Allens Park-Lyons CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-414 0 Allens Park-Lyons CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-05-17   
720-414 1 Allens Park-Lyons CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-06-15   
720-414 2 Allens Park-Lyons CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-12-01   
720-414 3 Allens Park-Lyons CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-02-26   
720-414 4 Allens Park-Lyons CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-07-26   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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