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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-551 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-05-30   
720-551 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-05-30   
720-551 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-05-30   
720-551 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-01   
720-551 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-01   
720-551 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-01   
720-551 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-01   
720-551 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-01   
720-551 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-01   
720-552 A Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-552 0 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-12-31   
720-552 1 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-01-08   
720-552 2 Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-10-30   
720-552 3 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-09-05   
720-552 4 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-02-04   
720-552 5 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-03-24   
720-552 6 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-04   
720-552 7 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-05-06   
720-552 8 Longmont CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
720-552 9 Longmont CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
720-553 A Denver CO AURRCOMADS0  9636 QWEST CORPORATION 656      
720-553 0 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 1 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 2 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 3 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 4 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 5 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 6 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 7 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 8 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-553 9 Denver CO   9636 QWEST CORPORATION 656   2012-07-22   
720-554 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-556 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-556 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-24   
720-556 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-08   
720-556 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-08   
720-556 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-08   
720-556 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-08   
720-556 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-08   
720-556 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-08   
720-556 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-29   
720-556 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-29   
720-556 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-29   
720-557 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-557 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-07-27   
720-557 8 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-07-30   
720-557 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-07-30   
720-558 A Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
720-559 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-560 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-561 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-561 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-12   
720-561 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-12   
720-561 2 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 3 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 4 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 5 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 6 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 7 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 8 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-12   
720-562 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-563 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-563 0 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-563 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-11-29   
720-563 2 Denver CO DNVRCOCLDS0  9636 QWEST CORPORATION 656      
720-563 3 Denver CO DNVRCOCLDS0  9636 QWEST CORPORATION 656      
720-563 4 Denver CO DNVRCOCLDS0  9636 QWEST CORPORATION 656      
720-563 5 Denver CO DNVRCOCLDS0  9636 QWEST CORPORATION 656      
720-563 6 Denver CO DNVRCOCLDS0  9636 QWEST CORPORATION 656      
720-563 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-11-29   
720-563 8 Denver CO LTTNCOHLDS0  9636 QWEST CORPORATION 656      
720-563 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-11-29   
720-564 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-565 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-566 A Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
720-567 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-568 A Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-568 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-03-07   
720-568 1 Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-568 2 Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-568 3 Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-568 4 Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-568 5 Denver CO DNVRCOMADS0  9636 QWEST CORPORATION 656      
720-568 6 Denver CO DNVRCOMADS0  9636 QWEST CORPORATION 656      
720-568 7 Denver CO NGLNCOMADS0  9636 QWEST CORPORATION 656      
720-568 8 Denver CO DNVRCOSWDS0  9636 QWEST CORPORATION 656      
720-568 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-03-07   
720-569 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-569 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-22   
720-569 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-22   
720-569 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-22   
720-569 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-11-22   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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