| Postal Code Place Name | Saint-Marcellin-en-Forez |
| Region | Auvergne-Rhône-Alpes |
| Department | Loire |
| Arrondissement | Montbrison |
| Canton | Saint-Just-Saint-Rambert |
| Current Time: | CEST |
| Time Zone: | Central European Summer Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 04 |