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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-618 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-07   
720-618 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-07   
720-620 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-621 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-622 A BLDRCOGBRS1  9636 QWEST CORPORATION 656      
720-622 0   9636 QWEST CORPORATION 656      
720-622 1   9636 QWEST CORPORATION 656      
720-622 2   9636 QWEST CORPORATION 656      
720-622 3   9636 QWEST CORPORATION 656      
720-622 4   508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-622 5   9636 QWEST CORPORATION 656      
720-622 6   9636 QWEST CORPORATION 656      
720-622 7   9636 QWEST CORPORATION 656      
720-622 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-02-27   
720-622 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-02-27   
720-623 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-623 0   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 1   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 2   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 3   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 4   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 5   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 6   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 7   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 8   026D ONVOY, LLC - CO 656   2012-04-16   
720-623 9   026D ONVOY, LLC - CO 656   2012-04-16   
720-624 A AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 0   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 1   829J PAETEC ITEL, LLC 656   2013-10-18   
720-624 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 3   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 4   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 5   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-04   
720-624 7   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 8   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-624 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-05-26   
720-625 A DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-625 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-28   
720-625 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-28   
720-625 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-11-21   
720-625 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-07-09   
720-625 4   829J PAETEC ITEL, LLC 656   2011-11-18   
720-625 5   829J PAETEC ITEL, LLC 656   2011-11-18   
720-625 6   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-07-12   
720-625 7   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-07-12   
720-625 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-08-18   
720-625 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-07-28   
720-626 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-626 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-12   
720-626 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-12   
720-626 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-12   
720-626 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-14   
720-626 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-14   
720-626 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-14   
720-626 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-25   
720-626 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-25   
720-626 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-25   
720-626 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-03-25   
720-627 A NGLNCOMADS0  9636 QWEST CORPORATION 656      
720-627 0   9636 QWEST CORPORATION 656   2012-04-05   
720-627 1   9636 QWEST CORPORATION 656   2012-04-05   
720-627 2   9636 QWEST CORPORATION 656   2012-04-05   
720-627 3   9636 QWEST CORPORATION 656   2012-04-05   
720-627 4   9636 QWEST CORPORATION 656   2012-04-05   
720-627 5   318J COMCAST IP PHONE, LLC 656   2012-11-21   
720-627 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-11-21   
720-627 7   026D ONVOY, LLC - CO 656   2012-11-21   
720-627 8   026D ONVOY, LLC - CO 656   2012-11-21   
720-627 9   6529 T-MOBILE USA, INC. 656   2012-11-21   
720-628 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-629 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-630 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-630 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-10   
720-630 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-10   
720-630 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-12-10   
720-630 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2013-12-10   
720-630 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-12-07   
720-630 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-12-07   
720-630 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-12-07   
720-630 7   318J COMCAST IP PHONE, LLC 656   2014-07-08   
720-630 8   318J COMCAST IP PHONE, LLC 656   2014-07-08   
720-630 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2013-12-07   
720-631 A DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-631 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-631 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2017-05-18   
720-632 A FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-632 0   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 1   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 3   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   
720-632 4   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2018-02-26   

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

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