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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-240 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-240 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-03-11   
720-240 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-10-09   
720-241 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-17   
720-241 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-31   
720-241 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-31   
720-241 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-14   
720-241 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-14   
720-241 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-28   
720-241 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-04-28   
720-242 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-242 0 Denver CO DNVRCO26XYX  598J FIVE9, INC. 656   2023-06-16   
720-242 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-06-24   
720-242 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-06-24   
720-242 3 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656   2008-12-15   
720-242 4 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656   2008-12-15   
720-242 5 Denver CO   026D ONVOY, LLC - CO 656   2008-12-18   
720-242 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-242 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-242 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-242 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-01-28   
720-243 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-243 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-08-28   
720-243 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-243 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-16   
720-244 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-245 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-245 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-01-09   
720-245 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-01-09   
720-245 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-01-05   
720-245 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-01-09   
720-245 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-06   
720-245 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-06   
720-245 6 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2012-01-06   
720-245 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-06   
720-245 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-01-10   
720-245 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2012-01-10   
720-246 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 0 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 1 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 2 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 3 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 4 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 5 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-246 6 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 7 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 8 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-246 9 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-247 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-247 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 8 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-247 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2004-07-15   
720-248 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-248 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
720-248 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-248 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-07-10   
720-248 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-07-10   
720-248 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-07-10   
720-248 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-07-10   
720-248 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-07-10   
720-248 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
720-248 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
720-248 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
720-249 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 0 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-249 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-249 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-10-02   
720-249 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-10-02   
720-249 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-10-02   
720-249 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-10-02   
720-250 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-250 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-250 1 Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656   2004-06-07   

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

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