| Postal Code Place Name | Ustaritz |
| Region | Nouvelle-Aquitaine |
| Department | Pyrénées-Atlantiques |
| Arrondissement | Bayonne |
| Canton | Ustaritz-Vallées de Nive et Nivelle |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 05 |