QWEST CORPORATION
449 prefixes in 303 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 303-713 | DENVER | 9636 | — | — |
| 303-714 | DENVER | 9636 | — | — |
| 303-715 | DENVER | 9636 | — | Yes |
| 303-716 | DENVER | 9636 | — | — |
| 303-721 | DENVER | 9636 | — | — |
| 303-722 | DENVER | 9636 | — | — |
| 303-724 | DENVER | 9636 | — | — |
| 303-727 | DENVER | 9636 | — | Yes |
| 303-730 | DENVER | 9636 | — | — |
| 303-732 | KEENESBURG | 9636 | — | Yes |
| 303-733 | DENVER | 9636 | — | — |
| 303-734 | DENVER | 9636 | — | — |
| 303-735 | DENVER | 9636 | — | — |
| 303-737 | DENVER | 9636 | — | — |
| 303-738 | DENVER | 9636 | — | — |
| 303-739 | DENVER | 9636 | — | — |
| 303-740 | DENVER | 9636 | — | — |
| 303-741 | DENVER | 9636 | — | — |
| 303-742 | DENVER | 9636 | — | — |
| 303-743 | DENVER | 9636 | — | — |
| 303-744 | DENVER | 9636 | — | — |
| 303-745 | DENVER | 9636 | — | — |
| 303-747 | ALLNSPKLYN | 9636 | — | Yes |
| 303-750 | DENVER | 9636 | — | — |
| 303-751 | DENVER | 9636 | — | — |
| 303-752 | DENVER | 9636 | — | — |
| 303-753 | DENVER | 9636 | — | — |
| 303-754 | DENVER | 9636 | — | — |
| 303-755 | DENVER | 9636 | — | — |
| 303-756 | DENVER | 9636 | — | — |
| 303-757 | DENVER | 9636 | — | — |
| 303-758 | DENVER | 9636 | — | — |
| 303-759 | DENVER | 9636 | — | — |
| 303-761 | DENVER | 9636 | — | — |
| 303-762 | DENVER | 9636 | — | — |
| 303-763 | DENVER | 9636 | — | Yes |
| 303-764 | DENVER | 9636 | — | — |
| 303-765 | DENVER | 9636 | — | — |
| 303-766 | DENVER | 9636 | — | — |
| 303-768 | DENVER | 9636 | — | — |
| 303-770 | DENVER | 9636 | — | — |
| 303-771 | DENVER | 9636 | — | — |
| 303-772 | LONGMONT | 9636 | — | — |
| 303-773 | DENVER | 9636 | — | — |
| 303-774 | LONGMONT | 9636 | — | — |
| 303-776 | LONGMONT | 9636 | — | — |
| 303-777 | DENVER | 9636 | — | — |
| 303-778 | DENVER | 9636 | — | — |
| 303-779 | DENVER | 9636 | — | — |
| 303-780 | DENVER | 9636 | — | — |
| 303-781 | DENVER | 9636 | — | — |
| 303-782 | DENVER | 9636 | — | — |
| 303-783 | DENVER | 9636 | — | — |
| 303-784 | DENVER | 9636 | — | — |
| 303-786 | DENVER | 9636 | — | — |
| 303-787 | DENVER | 9636 | — | — |
| 303-788 | DENVER | 9636 | — | — |
| 303-789 | DENVER | 9636 | — | — |
| 303-790 | DENVER | 9636 | — | — |
| 303-791 | DENVER | 9636 | — | — |
| 303-792 | DENVER | 9636 | — | — |
| 303-793 | DENVER | 9636 | — | — |
| 303-794 | DENVER | 9636 | — | — |
| 303-795 | DENVER | 9636 | — | — |
| 303-796 | DENVER | 9636 | — | — |
| 303-797 | DENVER | 9636 | — | — |
| 303-798 | DENVER | 9636 | — | — |
| 303-799 | DENVER | 9636 | — | — |
| 303-804 | DENVER | 9636 | — | — |
| 303-805 | DENVER | 9636 | — | — |
| 303-806 | DENVER | 9636 | — | — |
| 303-812 | DENVER | 9636 | — | — |
| 303-813 | DENVER | 9636 | — | — |
| 303-814 | DENVER | 9636 | — | — |
| 303-816 | DECKERS | 9636 | — | Yes |
| 303-820 | DENVER | 9636 | — | — |
| 303-823 | ALLNSPKLYN | 9636 | — | Yes |
| 303-825 | DENVER | 9636 | — | — |
| 303-828 | DENVER | 9636 | — | Yes |
| 303-830 | DENVER | 9636 | — | Yes |
| 303-831 | DENVER | 9636 | — | — |
| 303-832 | DENVER | 9636 | — | — |
| 303-833 | DENVER | 9636 | — | — |
| 303-837 | DENVER | 9636 | — | — |
| 303-838 | DECKERS | 9636 | — | — |
| 303-839 | DENVER | 9636 | — | — |
| 303-840 | DENVER | 9636 | — | — |
| 303-841 | DENVER | 9636 | — | — |
| 303-843 | DENVER | 9636 | — | — |
| 303-844 | DENVER | 9636 | — | — |
| 303-846 | DENVER | 9636 | — | — |
| 303-850 | DENVER | 9636 | — | — |
| 303-853 | DENVER | 9636 | — | — |
| 303-857 | FORTLUPTON | 9636 | — | Yes |
| 303-858 | DENVER | 9636 | — | — |
| 303-860 | DENVER | 9636 | — | — |
| 303-861 | DENVER | 9636 | — | — |
| 303-863 | DENVER | 9636 | — | — |
| 303-864 | DENVER | 9636 | — | — |
| 303-866 | DENVER | 9636 | — | — |
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.