H4N 3G3 is Canadian Postal Code located in Ahuntsic-Cartierville Quebec.
| Postal Code | H4N 3G3 |
| Forward Sortation Area | H4N |
| Name | Ahuntsic-Cartierville |
| Province | Quebec |
| Administrative Division | Montreal |
| City | Montreal |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 438 / 514 |