J6Y 1J4 is Canadian Postal Code located in Terrebonne Quebec.
| Postal Code | J6Y 1J4 |
| Forward Sortation Area | J6Y |
| Name | Terrebonne |
| Province | Quebec |
| Administrative Division | Les Moulins Regional County Municipality |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 450 / 579 |