Southern Area U.S. Forest Service Override Codes
| Office/Unit | Override Code (Unit Codes) |
| Alabama | TT (08) 01 |
| Daniel Boone | TT (08) 02 |
| Chattahoochee-Oconee | TT (08) 03 |
| Cherokee | TT (08) 04 |
| Florida | TT (08) 05 |
| Kisatchie | TT (08) 06 |
| Mississippi | TT (08) 07 |
| George Washington & Jefferson | TT (08) 08 |
| Ouachita | TT (08) 09 |
| Ozark & St. Francis | TT (08) 10 |
| North Carolina | TT (08) 11 |
| Francis Marion & Sumter | TT (08) 12 |
| Texas | TT (08) 13 |
| Savannah River | TT (08) 36 |
| Puerto Rico | TT (08) 16 |
| Regional Office | TT (08) 31 |
| Washington Office | TX (13) 01 |
| National Interagency Fire Center | TX (13) 02 |