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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-755 9   6529 T-MOBILE USA, INC. 656   2015-10-30   
720-756 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-756 0   6529 T-MOBILE USA, INC. 656   2021-02-09   
720-756 1   318J COMCAST IP PHONE, LLC 656   2021-01-24   
720-756 2   318J COMCAST IP PHONE, LLC 656   2021-01-24   
720-756 3   318J COMCAST IP PHONE, LLC 656   2021-01-24   
720-756 4   6529 T-MOBILE USA, INC. 656   2021-02-09   
720-756 5   6529 T-MOBILE USA, INC. 656   2021-02-09   
720-756 6   6529 T-MOBILE USA, INC. 656   2021-02-09   
720-756 7   318J COMCAST IP PHONE, LLC 656   2021-01-24   
720-756 8   6529 T-MOBILE USA, INC. 656   2021-02-09   
720-756 9   6529 T-MOBILE USA, INC. 656   2021-01-23   
720-757 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-757 0   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 1   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 2   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 3   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 4   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 5   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 6   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 7   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 8   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-757 9   6529 T-MOBILE USA, INC. 656   2014-11-14   
720-758 A HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-758 0   5562 METROPCS, INC. 656   2017-03-31   
720-758 1   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-03-03   
720-758 2   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-03-03   
720-758 3   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-03-03   
720-758 4   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-03-03   
720-758 5   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2017-03-03   
720-758 6   508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-02-10   
720-758 7   508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-02-10   
720-758 8   508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-02-10   
720-758 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2017-05-28   
720-760 A DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656      
720-760 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-760 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-760 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-760 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-10-04   
720-760 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-10-04   
720-760 5   318J COMCAST IP PHONE, LLC 656   2021-01-29   
720-760 6   624H ONVOY SPECTRUM, LLC 656   2021-03-03   
720-760 7   506J TWILIO INTERNATIONAL, INC. 656   2020-12-13   
720-760 8   318J COMCAST IP PHONE, LLC 656   2021-01-29   
720-760 9   624H ONVOY SPECTRUM, LLC 656   2021-03-03   
720-761 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-761 0   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 1   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 2   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 3   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 4   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 5   318J COMCAST IP PHONE, LLC 656   2023-10-21   
720-761 6   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 7   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 8   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-761 9   6529 T-MOBILE USA, INC. 656   2021-07-20   
720-762 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-762 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-08-31   
720-762 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-07-20   
720-762 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-08-31   
720-762 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-07-20   
720-762 4   318J COMCAST IP PHONE, LLC 656   2020-04-21   
720-762 5   318J COMCAST IP PHONE, LLC 656   2020-04-21   
720-762 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2020-05-04   
720-762 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-08-12   
720-762 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2020-05-04   
720-762 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-08-12   
720-763 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-763 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-01-03   
720-763 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-01-03   
720-763 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-02-26   
720-763 3   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2010-02-19   
720-763 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-02-26   
720-763 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-02-26   
720-763 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-02-26   
720-763 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-02-26   
720-763 8   026D ONVOY, LLC - CO 656   2010-03-12   
720-763 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-04-29   
720-765 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-765 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-765 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2017-11-13   
720-766 A DNVRCO26XRX  965H FRACTEL, LLC 656      
720-766 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-03-26   
720-766 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-03-26   
720-766 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-03-29   
720-766 3   965H FRACTEL, LLC 656   2019-03-25   
720-766 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-03-29   
720-766 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-04-30   
720-766 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-04-30   
720-766 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-04-15   
720-766 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-04-15   
720-766 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2019-05-01   

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

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