All assignees
799 prefixes in 713 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 713-801 | HOUSTON | 6630 | — | — |
| 713-802 | HOUSTON | 9533 | — | — |
| 713-803 | HOUSTON | 9533 | — | Yes |
| 713-804 | HOUSTON | 903C | 2018-12-13 | Yes |
| 713-805 | HOUSTON | 6506 | — | — |
| 713-806 | HOUSTON | 6506 | — | — |
| 713-807 | HOUSTON | 9533 | — | Yes |
| 713-808 | HOUSTON | 9533 | — | Yes |
| 713-809 | HOUSTON | 6630 | — | — |
| 713-810 | TOMBALL | 624H | 2021-11-17 | Yes |
| 713-811 | XXXXXXXXXX | MULT | — | — |
| 713-812 | HOUSTON | 9533 | — | — |
| 713-813 | HOUSTON | 6630 | — | — |
| 713-814 | HOUSTON | 6114 | 2017-09-22 | Yes |
| 713-815 | HOUSTON | 7074 | 2012-09-26 | Yes |
| 713-816 | HOUSTON | 6506 | — | — |
| 713-817 | HOUSTON | 6506 | — | — |
| 713-818 | HOUSTON | 6506 | — | — |
| 713-819 | HOUSTON | 6506 | — | — |
| 713-820 | HOUSTON | 7239 | — | Yes |
| 713-821 | HOUSTON | 7138 | — | — |
| 713-822 | HOUSTON | 6534 | — | — |
| 713-823 | HOUSTON | 6506 | — | — |
| 713-824 | HOUSTON | 6506 | — | — |
| 713-825 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-826 | HOUSTON | 6534 | — | — |
| 713-827 | HOUSTON | 9533 | — | — |
| 713-828 | HOUSTON | 6506 | — | — |
| 713-829 | HOUSTON | 6506 | — | — |
| 713-830 | HOUSTON | 7138 | — | — |
| 713-831 | HOUSTON | 9533 | — | — |
| 713-832 | HOUSTON | 903C | 2022-07-19 | Yes |
| 713-833 | HOUSTON | 6630 | — | — |
| 713-834 | HOUSTON | 9533 | — | Yes |
| 713-835 | HOUSTON | 7239 | — | Yes |
| 713-836 | HOUSTON | 9533 | 2010-12-16 | Yes |
| 713-837 | HOUSTON | 9533 | — | Yes |
| 713-838 | HOUSTON | 9533 | — | Yes |
| 713-839 | HOUSTON | 9533 | — | Yes |
| 713-840 | HOUSTON | 9533 | — | — |
| 713-841 | HOUSTON | 6630 | — | — |
| 713-842 | HOUSTON | 9533 | — | Yes |
| 713-843 | HOUSTON | 9533 | — | Yes |
| 713-844 | HOUSTON | 9533 | — | Yes |
| 713-845 | HOUSTON | 9533 | — | — |
| 713-846 | HOUSTON | 6630 | — | — |
| 713-847 | HOUSTON | 9533 | — | — |
| 713-848 | HOUSTON | 7138 | 2006-08-02 | Yes |
| 713-849 | HSTNSUBURB | 9533 | — | — |
| 713-850 | HOUSTON | 9533 | — | — |
| 713-851 | HOUSTON | 6534 | — | — |
| 713-852 | HOUSTON | 9533 | — | Yes |
| 713-853 | HOUSTON | 9533 | — | Yes |
| 713-854 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-855 | HOUSTON | 6701 | 2005-04-18 | Yes |
| 713-856 | HSTNSUBURB | 9533 | — | — |
| 713-857 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-858 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-859 | HOUSTON | 6534 | 2001-05-08 | — |
| 713-860 | HOUSTON | 7138 | — | — |
| 713-861 | HOUSTON | 9533 | — | — |
| 713-862 | HOUSTON | 9533 | — | — |
| 713-863 | HOUSTON | 9533 | — | Yes |
| 713-864 | HOUSTON | 9533 | — | — |
| 713-865 | HOUSTON | 9533 | — | Yes |
| 713-866 | HOUSTON | 9533 | — | — |
| 713-867 | HOUSTON | 9533 | — | — |
| 713-868 | HOUSTON | 9533 | — | — |
| 713-869 | HOUSTON | 9533 | — | — |
| 713-870 | HOUSTON | 6534 | — | — |
| 713-871 | HOUSTON | 9533 | — | — |
| 713-872 | HOUSTON | 075L | 2025-06-23 | Yes |
| 713-873 | HOUSTON | 9533 | — | Yes |
| 713-874 | HOUSTON | 9533 | — | Yes |
| 713-875 | HOUSTON | 5562 | — | Yes |
| 713-876 | HOUSTON | 6534 | — | — |
| 713-877 | HOUSTON | 9533 | — | — |
| 713-878 | HOUSTON | 9533 | — | Yes |
| 713-879 | WESTFIELD | 9533 | 2008-03-14 | Yes |
| 713-880 | HOUSTON | 9533 | — | — |
| 713-881 | HOUSTON | 9533 | — | Yes |
| 713-882 | HOUSTON | 6506 | — | — |
| 713-883 | HOUSTON | 6630 | — | — |
| 713-884 | HOUSTON | 9533 | — | Yes |
| 713-885 | HOUSTON | 9533 | — | Yes |
| 713-886 | LANGHAMCRK | 6506 | 2026-02-25 | Yes |
| 713-887 | CYPRESS | 6506 | 2023-06-08 | Yes |
| 713-888 | HOUSTON | 9533 | — | — |
| 713-889 | HOUSTON | 9533 | 2004-10-07 | — |
| 713-890 | HOUSTON | 9533 | — | Yes |
| 713-891 | HOUSTON | 6630 | — | — |
| 713-892 | HOUSTON | 9533 | — | Yes |
| 713-893 | LEAGUECITY | 6114 | — | Yes |
| 713-894 | HOUSTON | 6701 | — | — |
| 713-895 | HOUSTON | 9533 | — | — |
| 713-896 | HSTNSUBURB | 9533 | — | — |
| 713-897 | SPRING | 9533 | 2009-01-20 | Yes |
| 713-898 | HOUSTON | 6506 | — | — |
| 713-899 | HOUSTON | 6506 | — | — |
| 713-900 | HOUSTON | 6114 | — | 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.