| Code | Name | Region |
|---|---|---|
| FRUY8 | Treslon | 51 |
| FRNYT | Tresnay | 58 |
| FRTR3 | Trespoux-rassiels | 46 |
| FRTQS | Tresques | 30 |
| FRTES | Tresse | 35 |
| FRTS9 | Tresserre | 66 |
| FRTSZ | Tresses | 33 |
| FRTSS | Tressin | 59 |
| FRA33 | Treteau | 3 |
| FRTBR | Trets | 14 |
| FRV5E | Treve | 22 |
| FRQGN | Treignat | 3 |
| FR6YT | Treigny | 89 |
| FRTR6 | Treilles | 11 |
| FRTZL | Treillieres | 44 |
| FRTSP | Treize-septiers | 85 |
| FRTZV | Treize-vents | 85 |
| FRTLZ | Trelaze | 49 |
| FRTT3 | Trelevern | 22 |
| FRTRL | Trelissac | 24 |
| FRTO8 | Trelon | 59 |
| FRTUM | Trelou-sur-marne | 2 |
| FRTRM | Tremblay | 35 |
| FRTYF | Tremblay-en-france | 93 |
| FRTEF | Tremblay-les-gonesse | 93 |
| FRTBV | Tremblay-les-villages | 28 |
| FRTMT | Trementines | 49 |
| FRTMY | Tremery | 57 |
| FRTMR | Tremeur | 22 |
| FRTMI | Treminis | 38 |
| FRTRT | Tremolat | 24 |
| FRTBQ | Trebeurden | 22 |
| FRTDZ | Tredarzec | 22 |
| FRWDN | Tredion | 56 |
| FRLQ4 | Tredrez-locquemeau | 22 |
| FRTRD | Treffendel | 35 |
| FRTRK | Treffiagat | 29 |
| FRTFX | Treffieux | 44 |
| FRRTF | Trefflean | 56 |
| FRTFT | Treffort-cuisiat | 1 |
| FRTRF | Treffrin | 22 |
| FRZJA | Treflaouenan | 29 |
| FRTFZ | Treflevenez | 29 |
| FRTGT | Tregastel | 22 |
| FRZTR | Tregomeur | 22 |
| FRTG3 | Tregourez | 29 |
| FRT22 | Tregrom | 22 |
| FRTRG | Tregueux | 22 |
| FRTRE | Treguier | 22 |
| FRTR9 | Tregunc | 29 |