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Region: CO

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-219 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-219 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2004-03-24   
720-219 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-220 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-221 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-222 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 0 Denver CO   026D ONVOY, LLC - CO 656   2025-07-19   
720-223 1 Denver CO   026D ONVOY, LLC - CO 656   2025-07-19   
720-223 2 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-223 3 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-223 4 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2025-08-08   
720-223 5 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 6 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 7 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 8 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 9 Denver CO   026D ONVOY, LLC - CO 656   2025-07-19   
720-224 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-224 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-03-17   
720-224 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-06-25   
720-224 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-224 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-225 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-225 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-225 1 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 2 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 3 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 5 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 6 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-225 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-12-09   
720-225 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-226 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-226 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-226 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-11-10   
720-226 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-11-10   
720-226 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-11-10   
720-226 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-11-10   
720-226 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-11-10   
720-226 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-11-10   
720-226 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-05-06   
720-226 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-05-06   
720-226 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-227 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-227 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-227 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-03-18   
720-227 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-03-18   
720-227 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-03-18   
720-227 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-03-18   
720-227 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-02-19   
720-227 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-12   
720-227 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-12   
720-227 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-26   
720-227 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-228 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-229 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-229 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-229 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-229 2 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-26   
720-229 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-26   
720-229 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-26   
720-229 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-26   
720-229 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-11   
720-229 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-11   
720-229 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-09-11   
720-229 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-08   
720-230 A Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-230 0 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-230 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
720-230 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2024-08-24   
720-230 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
720-230 4 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-230 5 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-230 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-10-30   
720-230 7 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-01-18   
720-230 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-01-15   
720-230 9 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-231 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-09-23   
720-232 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2006-01-15   
720-232 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-233 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-233 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-233 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-09-23   
720-233 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-01-02   

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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