G8T 6C4 is Canadian Postal Code located in Cap-de-la-Madeleine Quebec.
| Postal Code | G8T 6C4 |
| Forward Sortation Area | G8T |
| Name | Cap-de-la-Madeleine |
| Province | Quebec |
| Administrative Division | Francheville Regional County Municipality |
| City | Trois-Rivières |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 819 / 873 |