This system is deprecated, and may no longer be in use or is superseded by another system.
| Category Name | County | Lat | Lon | Range |
|---|---|---|---|---|
| Shared by Cedar Hill, Duncanville and Desoto | Dallas | 32.79 | -96.81 | 20 |
| Cedar Hill | Dallas | 32.57583 | -96.94245 | 5 |