| Postal Code Place Name | Senan |
| Region | Bourgogne-Franche-Comté |
| Department | Yonne |
| Arrondissement | Auxerre |
| Canton | Charny |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 03 |
| 89110 Aillant-sur-Tholon |
| 89113 Charbuy |
| 89116 La Celle-Saint-Cyr |
| 89300 Joigny |
| 89410 Cézy |