| Postal Code Place Name | Saint-Didier-en-Velay |
| Region | Auvergne-Rhône-Alpes |
| Department | Haute-Loire |
| Arrondissement | Yssingeaux |
| Canton | Deux Rivières et Vallées |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 04 |