| Postal Code Place Name | Saint-Jean-Saint-Nicolas |
| Region | Provence-Alpes-Côte d'Azur |
| Department | Hautes-Alpes |
| Arrondissement | Gap |
| Canton | Saint-Bonnet-en-Champsaur |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 04 |