J5V 1W4 is Canadian Postal Code located in Louiseville Quebec.
| Postal Code | J5V 1W4 |
| Forward Sortation Area | J5V |
| Name | Louiseville |
| Province | Quebec |
| Administrative Division | Maskinongé Regional County Municipality |
| Timezone | Eastern Daylight Time (EDT) |
| Area Code(s) | 819 / 873 |