| Postal Code Place Name | Boulogne-Billancourt |
| Region | Île-de-France |
| Department | Hauts-de-Seine |
| Arrondissement | Boulogne-Billancourt |
| Canton | Boulogne-Billancourt |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 01 |