All assignees
800 prefixes in 720 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 720-800 | DENVER | 026D | 2012-11-08 | Yes |
| 720-801 | GEORGETOWN | 321J | — | Yes |
| 720-802 | FORTLUPTON | 026D | 2020-08-19 | Yes |
| 720-803 | DENVER | 6529 | 2021-01-14 | Yes |
| 720-804 | LONGMONT | 6529 | 2021-03-05 | Yes |
| 720-805 | DENVER | 597F | 2018-08-15 | Yes |
| 720-806 | DECKERS | 278F | 2021-02-24 | Yes |
| 720-807 | DENVER | 026D | 2020-08-27 | Yes |
| 720-808 | DENVER | 078F | 2010-10-20 | Yes |
| 720-809 | DENVER | 5562 | 2014-08-22 | Yes |
| 720-810 | DENVER | 6567 | — | Yes |
| 720-811 | XXXXXXXXXX | MULT | — | — |
| 720-812 | DENVER | 6567 | 2020-03-24 | Yes |
| 720-813 | DENVER | 515J | 2021-03-05 | Yes |
| 720-814 | DEER TRAIL | 6567 | 2021-09-07 | Yes |
| 720-815 | LONGMONT | 318J | 2017-09-01 | Yes |
| 720-816 | ALLNSPKLYN | 624H | 2023-03-29 | Yes |
| 720-817 | STRASBURG | 318J | 2021-09-24 | Yes |
| 720-818 | LONGMONT | 6567 | 2017-09-01 | Yes |
| 720-819 | DENVER | 6529 | 2018-03-09 | Yes |
| 720-820 | DENVER | 557H | 2015-09-28 | Yes |
| 720-821 | LONGMONT | 026D | 2021-01-06 | Yes |
| 720-822 | DENVER | 6567 | 2014-05-12 | Yes |
| 720-823 | DENVER | 026D | 2021-01-08 | Yes |
| 720-824 | HUDSON | 197D | 2021-10-20 | Yes |
| 720-825 | DENVER | 321J | — | Yes |
| 720-826 | DENVER | 318J | 2019-07-30 | Yes |
| 720-827 | DENVER | 6529 | 2018-03-22 | Yes |
| 720-828 | DENVER | 6529 | 2018-11-12 | Yes |
| 720-829 | DENVER | 5562 | 2014-07-29 | Yes |
| 720-830 | DENVER | 321J | 2018-12-03 | Yes |
| 720-831 | DENVER | 7378 | 2021-10-25 | Yes |
| 720-832 | HUDSON | 624H | 2023-03-29 | Yes |
| 720-833 | DENVER | 9636 | — | Yes |
| 720-834 | DENVER | 7378 | — | — |
| 720-835 | DENVER | 6010 | 2015-09-25 | Yes |
| 720-836 | DENVER | 6118 | — | Yes |
| 720-837 | DENVER | 6529 | — | Yes |
| 720-838 | DENVER | 6529 | — | Yes |
| 720-839 | DENVER | 6529 | — | Yes |
| 720-840 | DENVER | 6529 | — | Yes |
| 720-841 | DENVER | 6529 | — | Yes |
| 720-842 | DENVER | 9636 | — | Yes |
| 720-843 | DENVER | 624H | 2021-10-21 | Yes |
| 720-844 | DENVER | 616J | 2021-01-25 | Yes |
| 720-845 | DENVER | 6529 | 2017-08-30 | Yes |
| 720-846 | DEER TRAIL | 6567 | 2022-06-22 | Yes |
| 720-847 | DENVER | 9636 | 2003-11-05 | Yes |
| 720-848 | DENVER | 9636 | — | — |
| 720-849 | DENVER | 6529 | — | Yes |
| 720-850 | DENVER | 598J | 2021-05-27 | Yes |
| 720-851 | DENVER | 9636 | — | — |
| 720-852 | DENVER | 9636 | — | — |
| 720-853 | LONGMONT | 078F | 2021-10-25 | Yes |
| 720-854 | DENVER | 9636 | — | Yes |
| 720-855 | DENVER | 9636 | — | Yes |
| 720-856 | FORTLUPTON | 026D | — | Yes |
| 720-857 | DENVER | 9636 | — | — |
| 720-858 | DENVER | 9636 | — | — |
| 720-859 | DENVER | 9636 | — | — |
| 720-860 | DENVER | 624H | 2022-08-12 | Yes |
| 720-861 | GEORGETOWN | 078F | 2021-10-26 | Yes |
| 720-862 | DENVER | 7229 | — | Yes |
| 720-863 | DENVER | 7229 | — | Yes |
| 720-864 | LONGMONT | 9636 | — | Yes |
| 720-865 | DENVER | 6118 | — | — |
| 720-866 | DENVER | 145J | 2019-02-22 | Yes |
| 720-867 | DENVER | 8540 | — | — |
| 720-868 | FORTLUPTON | 026D | 2021-04-01 | Yes |
| 720-869 | DENVER | 6010 | 2021-10-25 | Yes |
| 720-870 | DENVER | 9636 | — | — |
| 720-871 | LONGMONT | 6529 | 2021-11-18 | Yes |
| 720-872 | DENVER | 9636 | — | — |
| 720-873 | DENVER | 9636 | — | — |
| 720-874 | DENVER | 9636 | — | — |
| 720-875 | DENVER | 9636 | — | — |
| 720-876 | DENVER | 9636 | — | Yes |
| 720-877 | DENVER | 6118 | — | Yes |
| 720-878 | DENVER | 6010 | — | Yes |
| 720-879 | DENVER | 6118 | — | Yes |
| 720-880 | DENVER | 6567 | — | Yes |
| 720-881 | DENVER | 078F | — | Yes |
| 720-882 | DENVER | 6010 | — | Yes |
| 720-883 | DENVER | 6118 | — | Yes |
| 720-884 | DENVER | 9636 | — | Yes |
| 720-885 | DENVER | 6010 | 2010-02-04 | Yes |
| 720-886 | DENVER | 9636 | — | — |
| 720-887 | DENVER | 9636 | — | — |
| 720-888 | DENVER | 6118 | — | — |
| 720-889 | DENVER | 7229 | — | — |
| 720-890 | DENVER | 9636 | — | — |
| 720-891 | DENVER | 6118 | 2001-12-17 | Yes |
| 720-892 | DENVER | 078F | 2018-03-20 | Yes |
| 720-893 | ALLNSPKLYN | 078F | 2014-08-08 | Yes |
| 720-894 | DECKERS | 078F | 2021-10-25 | Yes |
| 720-895 | DENVER | 9636 | — | — |
| 720-896 | DENVER | 6529 | 2021-11-12 | Yes |
| 720-897 | DENVER | 6118 | — | Yes |
| 720-898 | DENVER | 9636 | — | — |
| 720-899 | LONGMONT | 6567 | 2014-11-10 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.