| Postal Code Place Name | L'Union |
| Region | Occitanie |
| Department | Haute-Garonne |
| Arrondissement | Toulouse |
| Canton | Toulouse-9 |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 05 |
| 31130 Balma |
| 31140 Launaguet |
| 31180 Castelmaurou |
| 31200 Toulouse |
| 31850 Montrabé |