H9J 3T4 is Canadian Postal Code located in Pierrefonds-Roxboro Quebec.
| Postal Code | H9J 3T4 |
| Forward Sortation Area | H9J |
| Name | Pierrefonds-Roxboro |
| Province | Quebec |
| Administrative Division | Montreal |
| City | Montreal |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 438 / 514 |