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Longmont, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-204 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 6   318J COMCAST IP PHONE, LLC 656   2011-01-18   
720-204 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-05-02   
720-204 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-03-19   
720-204 9   624H ONVOY SPECTRUM, LLC 656   2021-07-19   
720-340 A AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-340 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-11-06   
720-340 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-340 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-340 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-05-30   
720-340 4   318J COMCAST IP PHONE, LLC 656   2010-04-01   
720-340 5   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-03   
720-340 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2010-09-07   
720-340 7   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-10-30   
720-340 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-11-15   
720-340 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-02-07   
720-378 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-378 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-03-19   
720-378 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-05-16   
720-378 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-07-22   
720-378 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2010-07-22   
720-378 4   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-05-10   
720-378 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2010-11-11   
720-378 6   026D ONVOY, LLC - CO 656   2010-11-14   
720-378 7   026D ONVOY, LLC - CO 656   2010-08-14   
720-378 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-03-29   
720-378 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2011-03-19   
720-438 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-438 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-08-31   
720-438 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-12-04   
720-438 2   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2009-01-22   
720-438 3   145J TERRA NOVA TELECOM INC. 656   2024-07-08   
720-438 4   026D ONVOY, LLC - CO 656   2007-04-30   
720-438 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-20   
720-438 6   026D ONVOY, LLC - CO 656   2009-07-16   
720-438 7   026D ONVOY, LLC - CO 656   2006-11-24   
720-438 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-07-03   
720-438 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-09-15   
720-442 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-442 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-442 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-06   
720-442 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-06-06   
720-442 3   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-06-23   
720-442 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-07-28   
720-442 5   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2011-08-08   
720-442 6   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-07   
720-442 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-21   
720-442 8   078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-10-06   
720-442 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-10-20   
720-453 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-453 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-01   
720-453 1   508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-01-19   
720-453 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-14   
720-453 3   6529 T-MOBILE USA, INC. 656   2016-09-26   
720-453 4   6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2016-09-26   
720-453 6   6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 7   6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 8   6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 9   6529 T-MOBILE USA, INC. 656   2016-08-13   
720-487 A DNVRCO26XIX  073H TELNYX LLC 656      
720-487 0   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 1   073H TELNYX LLC 656   2017-01-30   
720-487 2   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 3   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 4   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 5   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 6   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 7   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 8   6529 T-MOBILE USA, INC. 656   2017-03-27   
720-487 9   078F BANDWIDTH.COM CLEC, LLC - CO 656   2017-05-28   
720-491 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-491 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-07-05   
720-491 1   078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-10-06   
720-491 2   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-10-16   
720-491 3   318J COMCAST IP PHONE, LLC 656   2012-01-03   
720-491 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2012-04-17   
720-491 5   829J PAETEC ITEL, LLC 656   2012-03-05   
720-491 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2012-11-16   
720-491 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-18   
720-491 8   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-09-18   
720-491 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2011-12-31   
720-494 A LNMTCOMADS1  9636 QWEST CORPORATION 656      
720-526 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-526 0   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-08-31   
720-526 1   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-08-04   
720-526 2   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-08-31   
720-526 3   078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-08-31   
720-526 4   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-09-06   
720-526 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-08-26   
720-526 6   318J COMCAST IP PHONE, LLC 656   2014-07-29   
720-526 7   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2014-10-04   
720-526 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-09-06   
720-526 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-27   
720-534 A DNVRCO26DMD  197D VONAGE AMERICA LLC 656      
720-534 0   197D VONAGE AMERICA LLC 656   2016-10-22   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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