| Postal Code Place Name | Mourmelon-le-Grand |
| Region | Grand Est |
| Department | Marne |
| Arrondissement | Châlons-en-Champagne |
| Canton | Mourmelon-Vesle et Monts de Champagne |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 03 |