H1S 1K3 is Canadian Postal Code located in Saint-Leonard Quebec.
| Postal Code | H1S 1K3 |
| Forward Sortation Area | H1S |
| Name | Saint-Leonard |
| Province | Quebec |
| Administrative Division | Montreal |
| City | Montreal |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 438 / 514 |