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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-608 2 Georgetown CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-11-22   
720-608 4 Georgetown CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-06-05   
720-608 5 Georgetown CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-02-03   
720-616 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-616 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-10-20   
720-627 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-11-21   
720-633 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-01   
720-634 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-03-02   
720-634 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-07-25   
720-636 7 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-31   
720-636 8 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-31   
720-636 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-31   
720-640 A Hudson CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-640 2 Hudson CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-03-21   
720-640 3 Hudson CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-09-27   
720-643 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-643 1 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-643 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-15   
720-653 3 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-03-10   
720-672 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-07-11   
720-673 3 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-10-22   
720-673 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-10-22   
720-676 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2017-09-11   
720-678 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-07-29   
720-683 4 Fort Lupton CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-08-02   
720-684 A Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-684 5 Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-03   
720-687 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-01-19   
720-693 7 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2017-03-02   
720-709 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-07-13   
720-713 2 Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-10-15   
720-715 6 Deckers CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-11-08   
720-716 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-716 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-05-25   
720-716 5 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-05-26   
720-716 8 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-01-23   
720-716 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-05-26   
720-726 1 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-12-16   
720-729 2 Keenesburg CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2014-05-02   
720-731 A Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-731 2 Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-03-04   
720-738 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-06-20   
720-745 A Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-745 4 Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-06-08   
720-752 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-752 0 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 1 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 3 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 5 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 7 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 8 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-752 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-08   
720-763 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-04-29   
720-778 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-04-24   
720-779 8 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-08-12   
720-789 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-789 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-05-19   
720-789 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-11-15   
720-789 7 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-02-28   
720-789 8 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-30   
720-790 2 Allens Park-Lyons CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-06   
720-814 4 Deer Trail CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2022-02-18   
720-815 2 Longmont CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2017-10-24   
720-824 5 Hudson CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2022-04-14   
720-826 5 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2019-09-27   
720-836 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-836 1 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-836 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-836 8 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-844 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-03-14   
720-844 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-03-29   
720-844 5 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-03-29   
720-844 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-05-09   
720-862 3 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-05-21   
720-863 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-09-18   
720-863 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-07   
720-863 7 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2011-04-07   
720-865 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-877 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-877 9 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-879 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-879 5 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-883 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-883 0 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-888 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-891 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-891 4 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-893 5 Allens Park-Lyons CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-06-26   
720-893 6 Allens Park-Lyons CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-10-23   
720-897 A Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-897 0 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-897 1 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-897 2 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-897 3 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-897 5 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-897 6 Denver CO 6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-04-18   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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