SOUTHWESTERN BELL
307 prefixes in 972 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 972-702 | DALLAS | 9533 | — | Yes |
| 972-704 | FRISCO | 9533 | — | Yes |
| 972-705 | DALLAS | 9533 | — | Yes |
| 972-706 | DALLAS | 9533 | — | — |
| 972-708 | DALLAS | 9533 | — | Yes |
| 972-709 | DALLAS | 9533 | — | — |
| 972-712 | FRISCO | 9533 | — | — |
| 972-713 | DALLAS | 9533 | — | — |
| 972-715 | DALLAS | 9533 | — | Yes |
| 972-716 | DALLAS | 9533 | — | — |
| 972-720 | DALLAS | 9533 | — | Yes |
| 972-722 | ROCKWALL | 9533 | — | — |
| 972-723 | MIDLOTHIAN | 9533 | — | Yes |
| 972-726 | DALLAS | 9533 | — | — |
| 972-727 | ALLEN | 9533 | — | — |
| 972-730 | GRANDPRARI | 9533 | — | Yes |
| 972-731 | FRISCO | 9533 | — | — |
| 972-732 | DALLAS | 9533 | — | — |
| 972-733 | DALLAS | 9533 | — | Yes |
| 972-734 | PRINCETON | 9533 | — | Yes |
| 972-735 | DALLAS | 9533 | — | — |
| 972-736 | PRINCETON | 9533 | — | Yes |
| 972-738 | DALLAS | 9533 | — | Yes |
| 972-744 | DALLAS | 9533 | — | Yes |
| 972-747 | ALLEN | 9533 | — | — |
| 972-761 | DALLAS | 9533 | — | Yes |
| 972-763 | DALLAS | 9533 | — | Yes |
| 972-766 | DALLAS | 9533 | — | — |
| 972-770 | DALLAS | 9533 | — | — |
| 972-771 | ROCKWALL | 9533 | — | — |
| 972-772 | ROCKWALL | 9533 | — | — |
| 972-773 | DALLAS | 9533 | — | Yes |
| 972-774 | DALLAS | 9533 | — | Yes |
| 972-775 | MIDLOTHIAN | 9533 | — | Yes |
| 972-776 | DALLAS | 9533 | — | Yes |
| 972-778 | DALLAS | 9533 | — | — |
| 972-779 | CEDAR HILL | 9533 | — | Yes |
| 972-780 | DALLAS | 9533 | — | — |
| 972-782 | FARMERSVL | 9533 | — | Yes |
| 972-783 | DALLAS | 9533 | — | Yes |
| 972-784 | FARMERSVL | 9533 | — | Yes |
| 972-788 | DALLAS | 9533 | — | — |
| 972-789 | DALLAS | 9533 | — | Yes |
| 972-792 | DALLAS | 9533 | 2001-04-24 | Yes |
| 972-795 | GRANDPRARI | 9533 | — | Yes |
| 972-808 | DALLAS | 9533 | — | Yes |
| 972-818 | DALLAS | 9533 | — | Yes |
| 972-825 | WAXAHACHIE | 9533 | 2001-12-27 | Yes |
| 972-828 | DALLAS | 9533 | — | — |
| 972-830 | DALLAS | 9533 | — | — |
| 972-831 | DALLAS | 9533 | — | — |
| 972-837 | MCKINNEY | 9533 | — | Yes |
| 972-838 | MCKINNEY | 9533 | — | Yes |
| 972-851 | DALLAS | 9533 | — | Yes |
| 972-855 | DALLAS | 9533 | — | Yes |
| 972-856 | DALLAS | 9533 | — | Yes |
| 972-857 | DALLAS | 9533 | — | — |
| 972-858 | DALLAS | 9533 | — | — |
| 972-859 | GRANDPRARI | 9533 | — | Yes |
| 972-860 | DALLAS | 9533 | — | Yes |
| 972-861 | DALLAS | 9533 | — | Yes |
| 972-863 | DALLAS | 9533 | — | Yes |
| 972-866 | DALLAS | 9533 | — | Yes |
| 972-868 | DALLAS | 9533 | — | — |
| 972-869 | DALLAS | 9533 | — | — |
| 972-872 | ENNIS | 9533 | — | Yes |
| 972-875 | ENNIS | 9533 | — | — |
| 972-876 | ENNIS | 9533 | — | Yes |
| 972-878 | ENNIS | 9533 | — | Yes |
| 972-882 | DALLAS | 9533 | — | Yes |
| 972-883 | DALLAS | 9533 | — | — |
| 972-884 | DALLAS | 9533 | — | Yes |
| 972-888 | DALLAS | 9533 | — | — |
| 972-889 | DALLAS | 9533 | — | Yes |
| 972-901 | GRANDPRARI | 9533 | — | Yes |
| 972-907 | DALLAS | 9533 | — | — |
| 972-910 | DALLAS | 9533 | — | Yes |
| 972-913 | DALLAS | 9533 | — | Yes |
| 972-917 | DALLAS | 9533 | — | Yes |
| 972-918 | DALLAS | 9533 | — | Yes |
| 972-919 | DALLAS | 9533 | — | Yes |
| 972-923 | WAXAHACHIE | 9533 | — | — |
| 972-924 | ANNA | 9533 | — | Yes |
| 972-927 | DALLAS | 9533 | — | Yes |
| 972-930 | DALLAS | 9533 | — | Yes |
| 972-931 | DALLAS | 9533 | — | — |
| 972-933 | GRANDPRARI | 9533 | — | — |
| 972-934 | DALLAS | 9533 | — | — |
| 972-935 | WAXAHACHIE | 9533 | — | — |
| 972-937 | WAXAHACHIE | 9533 | — | — |
| 972-938 | WAXAHACHIE | 9533 | — | — |
| 972-940 | DALLAS | 9533 | 2017-01-24 | Yes |
| 972-946 | GRANDPRARI | 9533 | — | Yes |
| 972-949 | GRANDPRARI | 9533 | — | — |
| 972-952 | DALLAS | 9533 | — | — |
| 972-960 | DALLAS | 9533 | — | — |
| 972-968 | DALLAS | 9533 | — | Yes |
| 972-969 | DALLAS | 9533 | — | — |
| 972-975 | GRANDPRARI | 9533 | — | Yes |
| 972-980 | DALLAS | 9533 | — | — |
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.