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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-863 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-863 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-863 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-863 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-10-26   
720-863 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-09-18   
720-863 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-10-26   
720-863 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-07   
720-863 7 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-07   
720-863 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2011-10-21   
720-863 9 Denver CO DNVRCOMA53Z  732J NUSO, LLC 656   2024-12-04   
720-864 A Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656      
720-864 0 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-01-29   
720-864 1 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-01-29   
720-864 2 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-07-07   
720-864 3 Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656   2002-09-10   
720-864 4 Longmont CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-12-20   
720-864 5 Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656   2002-09-30   
720-864 6 Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656   2002-09-30   
720-864 7 Longmont CO LNMTCOMADS1  9636 QWEST CORPORATION 656   2002-09-30   
720-864 8 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-06-19   
720-864 9 Longmont CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-06-19   
720-865 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-866 A Denver CO DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656      
720-866 0 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 1 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 2 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 3 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 4 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 5 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 6 Denver CO   145J TERRA NOVA TELECOM INC. 656   2019-04-21   
720-866 7 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2019-04-25   
720-866 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2019-05-02   
720-866 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2019-05-02   
720-867 A Denver CO DNVRCOGVDS0  8540 GREAT WEST SERVICES, LTD. - CO 656      
720-868 A Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-868 0 Fort Lupton CO DNVRCO26XJX  939H COMMIO, LLC 656   2021-06-11   
720-868 1 Fort Lupton CO DNVRCO26XJX  939H COMMIO, LLC 656   2021-06-11   
720-868 2 Fort Lupton CO DNVRCO26XJX  939H COMMIO, LLC 656   2021-06-11   
720-868 3 Fort Lupton CO DNVRCO26XJX  939H COMMIO, LLC 656   2021-06-11   
720-868 4 Fort Lupton CO DNVRCO26XJX  939H COMMIO, LLC 656   2021-06-11   
720-868 5 Fort Lupton CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2021-08-14   
720-868 6 Fort Lupton CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-07-19   
720-868 7 Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-868 8 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-05-31   
720-868 9 Fort Lupton CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2021-06-01   
720-869 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-869 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2021-12-10   
720-869 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2021-12-10   
720-869 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-12-09   
720-869 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-12-09   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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